Debian: mysql multiple vulnerabilities
Summary
Package : mysql
Problem type : multiple problems
Debian-specific: no
CVE references : CAN-2002-1373, CAN-2002-1374, CAN-2002-1375, CAN-2002-1376
While performing an audit of MySQL e-matters found several problems:
* signed/unsigned problem in COM_TABLE_DUMP
Two sizes were taken as signed integers from a request and then cast
to unsigned integers without checking for negative numbers. Since the
resulting numbers where used for a memcpy() operation this could lead
to memory corruption.
* Password length handling in COM_CHANGE_USER
When re-authenticating to a different user MySQL did not perform
all checks that are performed on initial authentication. This created
two problems:
* it allowed for single-character password brute forcing (as was fixed in
February 2000 for initial login) which could be used by a normal user to
gain root privileges to the database
* it was possible to overflow the password buffer and force the server
to execute arbitrary code
* read_rows() overflow in libmysqlclient
When processing the rows returned by a SQL server there was no check
for overly large rows or terminating NUL characters. This can be used
to exploit SQL clients if they connect to a compromised MySQL server.
* read_one_row() overflow in libmysqlclient
When processing a row as returned by a SQL server the returned field
sizes were not verified. This can be used to exploit SQL clients if they
connect to a compromised MySQL server.
For Debian GNU/Linux 3.0/woody this has been fixed in version 3.23.49-8.2
and version 3.22.32-6.3 for Debian GNU/Linux 2.2/potato.
We recommend that you upgrade your mysql packages as soon as possible.
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Debian 2.2 (oldstable)
----------------------
Oldstable was released for alpha, arm, i386, m68k, powerpc and sparc.
Source archives:
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Size/MD5 checksum: 4296259 e3d9cb3038a2e4378c9c0f4f9d8c2d58
Size/MD5 checksum: 84166 79faf5c0f1e6ab6c4c3b7511f9cc1e71
Architecture independent packages:
Size/MD5 checksum: 1687018 e3d348a98e08bbff4085215356c5dcc7
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m68k architecture (Motorola Mc680x0)
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Debian 3.0 (stable)
-------------------
Stable was released for alpha, arm, hppa, i386, ia64, m68k, mips, mipsel,
powerpc, s390 and sparc.
Source archives:
Size/MD5 checksum: 1528 66425fd9b3184175d22bd054d42e3826
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Architecture independent packages:
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alpha architecture (DEC Alpha)
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arm architecture (ARM)
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i386 architecture (Intel ia32)
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ia64 architecture (Intel ia64)
Size/MD5 checksum: 848116 9b74cdcea1dc751db5b0175b9073fb6f
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m68k architecture (Motorola Mc680x0)
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mipsel architecture (MIPS (Little Endian))
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powerpc architecture (PowerPC)
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s390 architecture (IBM S/390)
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Size/MD5 checksum: 247538 979c18b2eadff2763555618a8eb08e2c
sparc architecture (Sun SPARC/UltraSPARC)
Size/MD5 checksum: 2938592 c52c274e39c46564dfad1dba753e320b
Size/MD5 checksum: 240700 d4b86a37ae837e652f2b0f831e58c53a
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Size/MD5 checksum: 615274 edeb1707bce25a18e131584f37b87d09
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