SB2018083111 - Improper Verification of Cryptographic Signature in SuSE libzypp



SB2018083111 - Improper Verification of Cryptographic Signature in SuSE libzypp

Published: August 31, 2018 Updated: August 8, 2020

Security Bulletin ID SB2018083111
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper Verification of Cryptographic Signature (CVE-ID: CVE-2018-7685)

The vulnerability allows a local authenticated user to execute arbitrary code.

The decoupled download and installation steps in libzypp before 17.5.0 could lead to a corrupted RPM being left in the cache, where a later call would not display the corrupted RPM warning and allow installation, a problem caused by malicious warnings only displayed during download.


Remediation

Install update from vendor's website.