SB2018101104 - Denial of service in Mercurial



SB2018101104 - Denial of service in Mercurial

Published: October 11, 2018

Security Bulletin ID SB2018101104
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

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-2018-17983)

The vulnerability allows a local attacker to obtain potentially sensitive information or cause DoS condition on the target system.

The vulnerability exists in the cext/manifest.c file due to improper parsing of manifest entries. A remote attacker can send a manifest entry that submits malicious input, trigger an out-of-bounds read condition to access sensitive information or cause a denial of service (DoS) condition.


Remediation

Install update from vendor's website.