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OpenBSD 2.3: Possible buffer overflow in the resolver rountines

31 August 1998

A benign looking buffer overflow in the resolver routines was re-introduced accidentally. The previously fixed behaviour is more correct.

OpenBSD 2.3: File descriptor leak with Chpass (1)

02 August 1998

Chpass(1) has a file descriptor leak which allows an attacker to modify /etc/master.passwd

OpenBSD 2.3: Vulnerabilities in Inted

15 July 1998

Inetd had a file descriptor leak.

OpenBSD 2.3: setuid and setgid programs run with certain file decriptors unallocated

02 July 1998

Some non-allocated file descriptors have implied uses according to system libraries, and hence setuid and setgid processes should not be executed with these descriptors unallocated. There is a patch which forces setuid and setgid processes to have some descriptors in fd slots 0, 1, and 2.

OpenBSD 2.3: Problems with kill(2) system call to setuid or setgid processes

07 June 1998

The kill(2) system call previously would permit a large set of signals to be delivered to setuid or setgid processes. If such processes were using those signals in dubious ways, this could have resulted in security problems of various kinds.

OpenBSD 2.3: Vulnerabilities found in the X11, Xt, Xaw and Xmu librabries

23 May 1998

Vulnerabilities have been found in the X11, Xt, Xaw and Xmu libraries. These affect xterm and all other setuid-root programs that use these libraries. The problems are associated with buffer overflows in code that processes user-supplied data.

OpenBSD 2.3: Problem with securelevels & immutable or append-only files or character devices

11 May 1998

A possible new security problem exists if you rely on securelevels and immutable or append-only files or character devices.

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