SB2019021243 - Fedora 29 update for libexif
Published: February 12, 2019 Updated: April 24, 2025
Security Bulletin ID
SB2019021243
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Uncontrolled Recursion (CVE-ID: CVE-2018-20030)
CWE-ID: CWE-674 - Uncontrolled Recursion
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows an attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to recursion issue when processing the EXIF_IFD_INTEROPERABILITY and EXIF_IFD_EXIF tags within libexif. A remote attacker can pass specially crafted data to the application and exhaust all available CPU resources.
Remediation
Install update from vendor's website.