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| Subject: | Windows binary of "GSview 4.8" contain vulnerable zlib (CAN-2005-2096) |
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| Date: | Thu, 18 Oct 2007 21:05:43 +0200 |
The Windows binary GSV48W32.EXE of "gsview" <http://pages.cs.wisc.edu/~ghost/gsview/> <ftp://mirror.cs.wisc.edu/pub/mirrors/ghost/ghostgum/gsv48w32.exe> ships with a zlib32.dll (originally named zlib.dll) v1.2.2 <http://www.zlib.net/> which is vulnerable to CAN-2005-2096. The zlib32.dll is dated 2005-03-06 (GSview 4.8 was release 2005-03-26), i.e. before CAN-2005-2096 was published, so its very likely that all the binaries provided by the author will show a vulnerable zlib if they contain one. A scan with ClamAV against the patterns published by Florian Weimer at <http://www.enyo.de/fw/security/zlib-fingerprint/> verifies the presence of the patterns of the vulnerable code: | x:\>clamscan --database CAN-2005-2096.db | ZLIB32.DLL: CAN-2005-2096.zlib-1.2.2 FOUND | | ----------- SCAN SUMMARY ----------- | Known viruses: 16 | Engine version: 0.91.2 | Scanned directories: 1 | Scanned files: 1 Stefan Kanthak
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