PT-2016-7728 · 7 Zip+1 · P7Zip+1

Ramesh Uppuluri · Published 2016-11-12 · Updated 2024-06-15 · CVE-2016-9296

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions p7zip versions 16.02 and earlier

Description A null pointer dereference bug affects the software, causing a crash and a denial of service when decoding malformed 7z files. This issue is due to a lack of null pointer check for the variable folders.PackPositions in the function CInArchive::ReadAndDecodePackedStreams in the 7z.so library and in 7z applications.

Recommendations For p7zip version 16.02 and earlier, consider updating to a newer version that includes a fix for this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALT-PU-2018-2591

ALT-PU-2020-2373

ALT-PU-2021-3103

AZL-35091

AZL-6782

CVE-2016-9296

OESA-2021-1294

OPENSUSE-SU-2024:10322-1

Affected Products

Alt Linux

P7Zip

References · 25

• 🔥 https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db · Exploit
• https://github.com/yangke/7zip-null-pointer-dereference · Patch
• https://osv.dev/vulnerability/AZL-35091 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2016-9296 · Security Note
• https://osv.dev/vulnerability/ALPINE-CVE-2016-9296 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-10115 · Security Note
• https://osv.dev/vulnerability/CVE-2016-9296 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2016-9296 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-5996 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2016-9296 · Security Note
• https://ubuntu.com/security/CVE-2016-9296 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2016-9296 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:10322-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2016-9296 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2021-1294 · Vendor Advisory