Null Pointer Dereference Vulnerability in p7zip by CMake Software
CVE-2016-9296

7.5HIGH

Key Information:

Vendor
7-zip
Status
P7zip
Vendor
CVE Published:
12 November 2016

Summary

A null pointer dereference vulnerability has been identified in the p7zip software, specifically within the ReadAndDecodePackedStreams function in 7zIn.cpp. This issue arises from a failure to validate the variable folders.PackPositions, which can be exploited when attempting to decode malformed 7z files. Successful exploitation leads to application crashes, resulting in a denial of service. This vulnerability impacts the 16.02 version and many earlier releases of p7zip, necessitating immediate attention for those utilizing the 7z.so library.

References

http://www.securityfocus.com/bid/94294
vdb-entryx_refsource_BID
https://sourceforge.net/p/p7zip/bugs/185/
x_refsource_MISC
https://sourceforge.net/p/p7zip/discussion/383043/thread/...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.