| From: |
| Martin Pitt <martin.pitt@canonical.com> |
| To: |
| ubuntu-security-announce@lists.ubuntu.com |
| Subject: |
| [USN-191-1] unzip vulnerability |
| Date: |
| Thu, 29 Sep 2005 19:00:49 +0200 |
| Cc: |
| full-disclosure@lists.grok.org.uk, bugtraq@securityfocus.com |
===========================================================
Ubuntu Security Notice USN-191-1 September 29, 2005
unzip vulnerability
CAN-2005-2475
===========================================================
A security issue affects the following Ubuntu releases:
Ubuntu 4.10 (Warty Warthog)
Ubuntu 5.04 (Hoary Hedgehog)
The following packages are affected:
unzip
The problem can be corrected by upgrading the affected package to
version 5.51-2ubuntu0.2 (for Ubuntu 4.10), or 5.51-2ubuntu1.2 (for
Ubuntu 5.04). In general, a standard system upgrade is sufficient to
effect the necessary changes.
Details follow:
Imran Ghory found a race condition in the handling of output files.
While a file was unpacked by unzip, a local attacker with write
permissions to the target directory could exploit this to change the
permissions of arbitrary files of the unzip user.
Updated packages for Ubuntu 4.10 (Warty Warthog):
Source archives:
http://security.ubuntu.com/ubuntu/pool/main/u/unzip/unzip...
Size/MD5: 5370 1c702c10ef3dde4ff8709278ed177eb2
http://security.ubuntu.com/ubuntu/pool/main/u/unzip/unzip...
Size/MD5: 534 bf60ea9eea72153cace6f4897bbdd9ea
http://security.ubuntu.com/ubuntu/pool/main/u/unzip/unzip...
Size/MD5: 1112594 8a25712aac642430d87d21491f7c6bd1
amd64 architecture (Athlon64, Opteron, EM64T Xeon)
http://security.ubuntu.com/ubuntu/pool/main/u/unzip/unzip...
Size/MD5: 147456 27383e90eb1a9a9908383566e453907f
i386 architecture (x86 compatible Intel/AMD)
http://security.ubuntu.com/ubuntu/pool/main/u/unzip/unzip...
Size/MD5: 134000 31a882052de2106d47ba3386068468a9
powerpc architecture (Apple Macintosh G3/G4/G5)
http://security.ubuntu.com/ubuntu/pool/main/u/unzip/unzip...
Size/MD5: 149764 c3fb934fe364b596b26d67818c55825a
Updated packages for Ubuntu 5.04 (Hoary Hedgehog):
Source archives:
http://security.ubuntu.com/ubuntu/pool/main/u/unzip/unzip...
Size/MD5: 6254 16aca1c38a3c6f65b26b767c52d56fb4
http://security.ubuntu.com/ubuntu/pool/main/u/unzip/unzip...
Size/MD5: 534 89355d1863fec2a59e2375689550411c
http://security.ubuntu.com/ubuntu/pool/main/u/unzip/unzip...
Size/MD5: 1112594 8a25712aac642430d87d21491f7c6bd1
amd64 architecture (Athlon64, Opteron, EM64T Xeon)
http://security.ubuntu.com/ubuntu/pool/main/u/unzip/unzip...
Size/MD5: 147616 3624db8444f94bc37bd1ed27147829c5
i386 architecture (x86 compatible Intel/AMD)
http://security.ubuntu.com/ubuntu/pool/main/u/unzip/unzip...
Size/MD5: 134874 c89ca693f0d79534a41f1677162d5cfb
powerpc architecture (Apple Macintosh G3/G4/G5)
http://security.ubuntu.com/ubuntu/pool/main/u/unzip/unzip...
Size/MD5: 151228 2464a5ddfa75c851b87db1b198e02fc5
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