CVE-2016-9296 - A null pointer dereference bug affects the 16.02 and many old versions of p7zip. A lack of null poin

CVE-2016-9296

Summary

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.

References

Vulnerable Configurations

cpe:2.3:a:7-zip:p7zip:16.02:*:*:*:*:*:*:*
cpe:2.3:a:7-zip:p7zip:16.02:*:*:*:*:*:*:*

CVSS

Base:	5.0 (as of 29-11-2016 - 18:03)
Impact:
Exploitability:

CWE

CWE-476

CAPEC

Access

Vector	Complexity	Authentication
NETWORK	LOW	NONE

Impact

Confidentiality	Integrity	Availability
NONE	NONE	PARTIAL

cvss-vector via4

AV:N/AC:L/Au:N/C:N/I:N/A:P

refmap via4

bid	94294
misc	https://github.com/yangke/7zip-null-pointer-dereference https://sourceforge.net/p/p7zip/bugs/185/ https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/

Last major update

29-11-2016 - 18:03

Published

12-11-2016 - 02:59

Last modified

29-11-2016 - 18:03