SB2018050917 - Fedora 27 update for exiv2
Published: May 9, 2018 Updated: April 24, 2025
Security Bulletin ID
SB2018050917
Severity
Low
Patch available
YES
Number of vulnerabilities
3
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Memory corruption (CVE-ID: CVE-2017-17723)
The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.The weakness exists in the Exiv2::Image::byteSwap4 function of image.cpp due to boundary error. A remote attacker can send a specially crafted TIFF image file, trick the victim into opening it and cause the service to crash.
2) Memory corruption (CVE-ID: CVE-2017-17725)
The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.The weakness exists in the Exiv2::getULong function of types.cpp due to boundary error. A remote attacker can send a specially crafted image file, trick the victim into opening it and cause the service to crash.
3) Segmentation fault (CVE-ID: CVE-2018-5772)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to uncontrolled recursion in the Exiv2::Image::printIFDStructure function in the image.cpp file. A remote attacker can trick the victim into opening a specially crafted tif input, trigger segmentation fault and perform a denial of service attack.
Remediation
Install update from vendor's website.