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Tasklist

FS#47039 - [unzip] 6.0-11 regression with 0-byte sized files inside a password protected zip-file

Attached to Project: Arch Linux
Opened by Levente Polyak (anthraxx) - Wednesday, 11 November 2015, 18:48 GMT
Last edited by Lukas Fleischer (lfleischer) - Sunday, 17 April 2016, 07:01 GMT
Task Type General Gripe
Category Packages: Extra
Status Closed
Assigned To Lukas Fleischer (lfleischer)
Architecture All
Severity Medium
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Hey, the security patch 'csiz-underflow.patch' with version 6.0-11 introduced a small regression when extracting zip-files that are password protected and have a 0-byte size file.

The small regression introduced with the security patch has also been fixed by ubuntu [0][1] and debian [2][3].
A test file for the regression can be found in the ubuntu bug report comments [4] (but because of security of cause only test that inside a chroot or better an isolated VM)

I have attached either a patch for the patch (*smile*) or the already fixed patch.

cheers,
Levente


[0] https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1513293
[1] https://launchpadlibrarian.net/225619775/unzip_6.0-13ubuntu3.1_6.0-13ubuntu3.2.diff.gz
[2] https://lists.debian.org/debian-security-announce/2015/msg00298.html
[3] https://release.debian.org/proposed-updates/stable_diffs/unzip_6.0-16+deb8u2.debdiff
[4] https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1513293/comments/13
   csiz-underflow.patch-fixup.pa... (0.5 KiB)
   csiz-underflow.patch (1.2 KiB)
This task depends upon

Closed by  Lukas Fleischer (lfleischer)
Sunday, 17 April 2016, 07:01 GMT
Reason for closing:  Fixed
Additional comments about closing:  Fixed in 6.0-12.

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