This week advisories were released for java, abiworld, cyrus, squirrelmail,
libgd1, openssl, hpsockd, policycoreutils, prelink, libselinux, udev, tcpdump,
samba, gaim, FreeBSD kernel, phpMyAdmin, libxpm4, kde, amavisd, open motif,
linux kernel, and cyrus-imapd. The distributors include Conectiva, Debian, Fedora,
Gentoo, Mandrake, Trustix, Red Hat, and SuSE.
Open Letter to Linux Security Community
Welcome to the new LinuxSecurity.com! I must admit, I am really proud of what we have been able to accomplish over the years. LinuxSecurity.com has grown from a small idea that a couple of security geeks had in 1999, to a major and well respected Linux resource. With an all new look & feel, organizational changes, security events, and additions to our staff, we hope to better serve the Linux and open source community. Although there are many aesthetic improvements, a major part of our development has focused on creating a content structure and backend system that is easy to update.
Since the beginning, we have been able to maintain one of the largest, if not the largest and most comprehensive Linux advisory archive on the Internet. Through the years, we have scoured the net for thousands of hours to bring fresh and relevant articles, papers, and resources to you. It wasn't easy in the beginning. We had to create the site from scratch and build a community-wide reputation. The site was started in 1999, the middle of the dot-com boom. Dave Wreski, a Linux security expert and the original founder of LinuxSecurity.com had great foresight. He envisioned the widespread use of Linux as well as many other open source tools. Rather than companies spending thousands of dollars on proprietary tools, he saw a world where open source would be respected and adopted because of its flexibility and greater security through open standards and full disclosure...
LinuxSecurity.com Feature Extras:
Mass deploying Osiris - Osiris is a centralized file-integrity program that uses a client/server architecture to check for changes on a system. A central server maintains the file-integrity database and configuration for a client and at a specified time, sends the configuration file over to the client, runs a scan and sends the results back to the server to compare any changes. Those changes are then sent via email, if configured, to a system admin or group of people. The communication is all done over an encrypted communication channel.
AIDE and CHKROOTKIT -Network security is continuing to be a big problem for companies and home users. The problem can be resolved with an accurate security analysis. In this article I show how to approach security using aide and chkrootkit.
An Interview with Gary McGraw, Co-author of Exploiting Software: How to Break Code - Gary McGraw is perhaps best known for his groundbreaking work on securing software, having co-authored the classic Building Secure Software (Addison-Wesley, 2002). More recently, he has co-written with Greg Hoglund a companion volume, Exploiting Software, which details software security from the vantage point of the other side, the attacker. He has graciously agreed to share some of his insights with all of us at LinuxSecurity.com.
Linux Advisory Watch is a comprehensive newsletter that outlines the security vulnerabilities that have been announced throughout the week. It includes pointers to updated packages and descriptions of each vulnerability.[ Subscribe ]
| Conectiva | ||
| Conectiva: java plugin vulnerability | ||
| 26th, November, 2004
Jouko Pynnonen reported[2], through iDEFENSE, a vulnerability[3] in the plugin mechanism which allows remote attackers to bypass the Java sandbox through the use of javascript. http://www.linuxsecurity.com/content/view/106930 |
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| Conectiva: abiword buffer overflow vulnerability fix | ||
| 1st, December, 2004
iDefense[3] discovered[4] a buffer overflow vulnerability[5] in the wv library which could allow an attacker to execute arbitrary code with the privileges of the user running the vulnerable application. http://www.linuxsecurity.com/content/view/117319 |
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| Conectiva: cyrus-imapd Multiple vulnerabilities | ||
| 1st, December, 2004
Stefan Esser from e-matters security recently published[2] several vulnerabilities in cyrus-imapd. http://www.linuxsecurity.com/content/view/117320 |
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| Conectiva: squirrelmail cross site scripting vulnerability fix | ||
| 2nd, December, 2004
Joost Pol noticed[2] that SquirrelMail is prone to a cross site scripting issue in the decoding of encoded text in certain headers. SquirrelMail correctly decodes the specially crafted header, but doesn't sanitize the result. http://www.linuxsecurity.com/content/view/117321 |
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| Debian | ||
| Debian: libgd1 arbitrary code execution fix | ||
| 29th, November, 2004
More potential integer overflows have been found in the GD graphics library which weren't covered by our security advisory DSA 589. They could be exploited by a specially crafted graphic and could lead to the execution of arbitrary code on the victim's machine. http://www.linuxsecurity.com/content/view/106931 |
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| Debian: libgd2 arbitrary code execution fix | ||
| 29th, November, 2004
More potential integer overflows have been found in the GD graphics library which weren't covered by our security advisory DSA 589. They could be exploited by a specially crafted graphic and could lead to the execution of arbitrary code on the victim's machine. http://www.linuxsecurity.com/content/view/106932 |
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| Debian: openssl insecure temporary file creation fix | ||
| 1st, December, 2004
Trustix developers discovered insecure temporary file creation in a supplemental script (der_chop) of the openssl package which may allow local users to overwrite files via a symlink attack. http://www.linuxsecurity.com/content/view/117312 |
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| Debian: hpsockd denial of service fix | ||
| 3rd, December, 2004
"infamous41md" discovered a buffer overflow condition in hpsockd, the socks server written at Hewlett-Packard. An exploit could cause the program to crash or may have worse effect. http://www.linuxsecurity.com/content/view/117313 |
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| Fedora | ||
| Fedora: policycoreutils-1.18.1-2 update Resend with correct id | ||
| 30th, November, 2004
FixFiles.cron is not needed for targeted policy and needs to be reworked for strict policy. Removing prevents possible relabeling problems. http://www.linuxsecurity.com/content/view/106953 |
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| Fedora: policycoreutils-1.18.1-2 update | ||
| 30th, November, 2004
FixFiles.cron is not needed for targeted policy and needs to be reworked for strict policy. Removing prevents possible relabeling problems. http://www.linuxsecurity.com/content/view/106952 |
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| Fedora: prelink-0.3.3-0.fc3 update | ||
| 30th, November, 2004
if layout code needs to re-prelink some library, make sure all libraries that depend on it are re-prelinked too (#140081) http://www.linuxsecurity.com/content/view/106950 |
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| Fedora: libselinux-1.19.1-8 update | ||
| 30th, November, 2004
Change location of helper applications and remove some debug applications that should not have been part of the distribution. http://www.linuxsecurity.com/content/view/106951 |
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| Fedora: udev-039-10.FC3.2 update | ||
| 30th, November, 2004
Forgot to turn of debugging logging. This release speeds up udev. http://www.linuxsecurity.com/content/view/106948 |
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| Fedora: tcpdump-3.8.2-6.FC2.1 update | ||
| 30th, November, 2004
fixed nfs protocol parsing for 64 bit architectures (bug 132781) http://www.linuxsecurity.com/content/view/106949 |
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| Fedora: abiword-2.0.12-7.fc3 update | ||
| 30th, November, 2004
Fixes for tempnam usages and startup geometry crashes http://www.linuxsecurity.com/content/view/106947 |
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| Fedora: system-config-securitylevel-1.4.18-2 update | ||
| 29th, November, 2004
This fixes tracebacks introduced by the libselinux update (#139155) http://www.linuxsecurity.com/content/view/106944 |
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| Fedora: samba-3.0.9-1.fc2 update | ||
| 29th, November, 2004
This update closes two security holes: CAN-2004-0882 and CAN-2004-0930 http://www.linuxsecurity.com/content/view/106941 |
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| Fedora: samba-3.0.9-1.fc3 update | ||
| 29th, November, 2004
This update closes two security holes: CAN-2004-0882 and CAN-2004-0930. http://www.linuxsecurity.com/content/view/106942 |
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| Fedora: gaim-1.0.2-0.FC2 update | ||
| 29th, November, 2004
FC2 Update http://www.linuxsecurity.com/content/view/106943 |
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| Fedora: squirrelmail-1.4.3a-6.FC2 update | ||
| 28th, November, 2004
CAN-2004-1036 Cross Site Scripting in encoded text http://www.linuxsecurity.com/content/view/106934 |
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| Fedora: squirrelmail-1.4.3a-6.FC3 update | ||
| 28th, November, 2004
CAN-2004-1036 Cross Site Scripting in encoded text http://www.linuxsecurity.com/content/view/106935 |
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| Fedora: spamassassin-3.0.1-0.FC3 update | ||
| 28th, November, 2004
Several important bug fixes in upstream release. http://www.linuxsecurity.com/content/view/106936 |
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| Fedora: system-config-date-1.7.13-0.fc3.1 update | ||
| 29th, November, 2004
enable Gujarati and Tamil translations (#140881) http://www.linuxsecurity.com/content/view/106937 |
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| FreeBSD: Kernel memory disclosure in procfs and linprocfs | ||
| 2nd, December, 2004
The implementation of the /proc/curproc/cmdline pseudofile in the procfs(5) file system on FreeBSD 4.x and 5.x, and of the /proc/self/cmdline pseudofile in the linprocfs(5) file system on FreeBSD 5.x reads a process' argument vector from the process address space. During this operation, a pointer was dereferenced directly without the necessary validation steps being performed. http://www.linuxsecurity.com/content/view/117318 |
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| Gentoo | ||
| Gentoo: Sun and Blackdown Java Applet privilege escalation | ||
| 29th, November, 2004
The Java plug-in security in Sun and Blackdown Java environments can be bypassed to access arbitrary packages, allowing untrusted Java applets to perform unrestricted actions on the host system. http://www.linuxsecurity.com/content/view/106945 |
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| Gentoo: Open DC Hub Remote code execution | ||
| 28th, November, 2004
Open DC Hub contains a buffer overflow that can be exploited to allow remote code execution. http://www.linuxsecurity.com/content/view/106940 |
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| Gentoo: phpWebSite HTTP response splitting vulnerability | ||
| 26th, November, 2004
phpWebSite is vulnerable to possible HTTP response splitting attacks. http://www.linuxsecurity.com/content/view/106929 |
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| Gentoo: phpMyAdmin Multiple XSS vulnerabilities | ||
| 27th, November, 2004
phpMyAdmin is vulnerable to cross-site scripting attacks. http://www.linuxsecurity.com/content/view/106939 |
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| Mandrake | ||
| Mandrake: libxpm4 correct issues with previous update | ||
| 30th, November, 2004
The previous libxpm4 update had a linking error that resulted in a missing s_popen symbol error running applications dependant on the library. In addition, the file path checking in the security updates prevented some applications, like gimp-2.0 from being able to save xpm format images. http://www.linuxsecurity.com/content/view/106946 |
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| Mandrake: kdepim various bugs fix | ||
| 27th, November, 2004
A number of bugs in kdepim are fixed with this update. http://www.linuxsecurity.com/content/view/106938 |
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| Mandrake: kdelibs various bugs fix | ||
| 26th, November, 2004
A number of bugs in kdelibs are fixed with this update. http://www.linuxsecurity.com/content/view/106925 |
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| Mandrake: kdebase various bugs fixes | ||
| 26th, November, 2004
A number of bugs in kdebase are fixed with this update. http://www.linuxsecurity.com/content/view/106924 |
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| Trustix | ||
| Trustix: amavisd-new, anaconda, courier-imap, cyrus-imapd, cyrus-sasl, file, kernel, mkbootdisk, mys | ||
| 29th, November, 2004
Fix amavis user creation on install. Support kickstart files on FTP. Hyperthreading detection. http://www.linuxsecurity.com/content/view/106933 |
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| Red Hat | ||
| Red Hat: openmotif image vulnerability fix | ||
| 2nd, December, 2004
Updated openmotif packages that fix flaws in the Xpm image library are now available. http://www.linuxsecurity.com/content/view/117314 |
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| Red Hat: kernel security vulnerabilities fix | ||
| 2nd, December, 2004
Updated kernel packages that fix several security issues in Red Hat Enterprise Linux 3 are now available. http://www.linuxsecurity.com/content/view/117315 |
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| SuSE | ||
| SuSE: various kernel problems | ||
| 1st, December, 2004
Several security problems have been found and addressed by the SUSE Security Team. The following issues are present in all SUSE Linux based products. http://www.linuxsecurity.com/content/view/117316 |
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| SuSE: cyrus-imapd remote command execution | ||
| 3rd, December, 2004
Stefan Esser reported various bugs within the Cyrus IMAP Server. These include buffer overflows and out-of-bounds memory access which could allow remote attackers to execute arbitrary commands as root. The bugs occur in the pre-authentication phase, therefore an update is strongly recommended. http://www.linuxsecurity.com/content/view/117317 |
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