CVE-2016-9296

CVSS V2 Medium 5 CVSS V3 High 7.5
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.
Overview
  • CVE ID
  • CVE-2016-9296
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2016-11-12T02:59:04
  • Last Modified Date
  • 2016-11-29T18:03:06
Weakness Enumerations
CWE URL
CWE-476 http://cwe.mitre.org/data/definitions/476.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:7-zip:p7zip:16.02:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/yangke/7zip-null-pointer-dereference Issue Tracking Patch Third Party Advisory
https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/ Exploit Third Party Advisory
https://sourceforge.net/p/p7zip/bugs/185/ Issue Tracking Third Party Advisory
http://www.securityfocus.com/bid/94294 Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2016-9296
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9296
History
Created Old Value New Value Data Type Notes
2022-05-10 10:03:44 Added to TrackCVE
2022-12-02 12:05:01 2016-11-12T02:59Z 2016-11-12T02:59:04 CVE Published Date updated
2022-12-02 12:05:01 2016-11-29T18:03:06 CVE Modified Date updated
2022-12-02 12:05:01 Analyzed Vulnerability Status updated