SB2018020213 - Double Free in www.lcdf gifsicle
Published: February 2, 2018 Updated: August 8, 2020
Security Bulletin ID
SB2018020213
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Double Free (CVE-ID: CVE-2017-18120)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
A double-free bug in the read_gif function in gifread.c in gifsicle 1.90 allows a remote attacker to cause a denial-of-service attack or unspecified other impact via a maliciously crafted file, because last_name is mishandled, a different vulnerability than CVE-2017-1000421.
Remediation
Install update from vendor's website.