SB2019101302 - Use-after-free in libvips library
Published: October 13, 2019
Security Bulletin ID
SB2019101302
Severity
Medium
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 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2019-17534)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the vips_foreign_load_gif_scan_image() function in foreign/gifload.c in libvips library when trying to access a color map before a DGifGetImageDesc call. A remote attacker can pass specially crafted input to the application, trigger a use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Remediation
Install update from vendor's website.