SB2020102026 - Out-of-bounds read in libgit2-1.0 (Alpine package)



SB2020102026 - Out-of-bounds read in libgit2-1.0 (Alpine package)

Published: October 20, 2020

Security Bulletin ID SB2020102026
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2018-10888)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to a missing check in the git_delta_apply function, as defined in the delta.c file. A remote unauthenticated attacker can trick the victim into opening a specially crafted binary delta file, trigger an out-of-bounds read condition and cause the service to crash.


Remediation

Install update from vendor's website.