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CVE-2018-5996

Good to know:

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Date: January 31, 2018

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.

Severity Score

Related Resources (7)

http://www.securitytracker.com/id/1040831
https://0patch.blogspot.si/2018/02/two-interesting-micropatches-for-7-zip.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-5996
https://security-tracker.debian.org/tracker/CVE-2018-5996
https://nvd.nist.gov/vuln/detail/CVE-2018-5996
https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/
https://www.mend.io/vulnerability-database/CVE-2018-5996

Severity Score

Weakness Type (CWE)

Buffer Errors

CWE-119

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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