CVE-2016-9296
Last modified
CVE-2016-9296 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 7.02% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| 7-Zip | P7zip | 16.02 |
References
- http://www.securityfocus.com/bid/94294Third Party Advisory, VDB Entry
- https://github.com/yangke/7zip-null-pointer-dereferenceIssue Tracking, Patch, Third Party Advisory
- https://sourceforge.net/p/p7zip/bugs/185/Issue Tracking, Third Party Advisory
- https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/Exploit, Third Party Advisory
- http://www.securityfocus.com/bid/94294Third Party Advisory, VDB Entry
- https://github.com/yangke/7zip-null-pointer-dereferenceIssue Tracking, Patch, Third Party Advisory
- https://sourceforge.net/p/p7zip/bugs/185/Issue Tracking, Third Party Advisory
- https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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