SB2020091809 - Use-after-free in openjpeg (Alpine package)
Published: September 18, 2020
Security Bulletin ID
SB2020091809
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2020-15389)
The vulnerability allows a remote non-authenticated attacker to #BASIC_IMPACT#.
jp2/opj_decompress.c in OpenJPEG through 2.3.1 has a use-after-free that can be triggered if there is a mix of valid and invalid files in a directory operated on by the decompressor. Triggering a double-free may also be possible. This is related to calling opj_image_destroy twice.
Remediation
Install update from vendor's website.