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VULNERABILITIES

CVE-2018-5996 Details

Description

Insufficient exception handling in the method NCompress::NRar3::CDecoder::Code of 7-Zip before 18.00 and p7zip can lead to multiple memory corruptions within the PPMd code, allows remote attackers to cause a denial of service (segmentation fault) or execute arbitrary code via a crafted RAR archive.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://0patch.blogspot.si/2018/02/two-interesting-micropatches-for-7-zip.html CVE
https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/ CVEExploitTechnical DescriptionThird Party Advisory
http://www.securitytracker.com/id/1040831 CVE
https://0patch.blogspot.si/2018/02/two-interesting-micropatches-for-7-zip.html [email protected]
https://github.com/p7zip-project/p7zip/issues/32 [email protected]

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer[email protected]

Affected Products

ProductVersions
7-zip 7-zip
< 18.00

CPE

  • cpe:2.3:a:7-zip:7-zip:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
7-zip p7zip
< 18.0

CPE

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

Remediation

  • No remediation found in references.
debian debian linux
7.0
8.0
9.0

CPE

  • cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

8 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2018-5996
NVD Published Date:
Jan 31, 2018
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2018-5996 Details - Not Deferred