HIGH7.5
A null pointer dereference bug affects the 16.02 and many old versions of p7zip. A lack of null pointer check for the variable folders.PackPositions in function CInArchive::ReadAndDecodePackedStreams in CPP/7zip/Archive/7z/7zIn.cpp, as used in the 7z.so library and in 7z applications, will cause a crash and a denial of service when decoding malformed 7z files.
CVSS 2.0MEDIUM 5.0
CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:PCVSS 3.xHIGH 7.5
CVSS:3.x/CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HReferences
- http://www.securityfocus.com/bid/94294
- https://github.com/yangke/7zip-null-pointer-dereference
- https://sourceforge.net/p/p7zip/bugs/185/
- https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/
- http://www.securityfocus.com/bid/94294
- https://github.com/yangke/7zip-null-pointer-dereference
- https://sourceforge.net/p/p7zip/bugs/185/
- https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/