SB2019081381 - Integer overflow in exiv2 (Alpine package)
Published: August 13, 2019
Security Bulletin ID
SB2019081381
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) Integer overflow (CVE-ID: CVE-2019-13109)
CWE-ID: CWE-190 - Integer overflow
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 a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to integer overflow in Exiv2 through 0.27.1 due to PngImage::readMetadata mishandles a chunkLength - iccOffset subtraction. A remote attacker can create a crafted PNG image file, trigger integer overflow and perform denial of service (DoS) attack.
Remediation
Install update from vendor's website.