SB2018021517 - Denial of service in Exiv2
Published: February 15, 2018
Security Bulletin ID
SB2018021517
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-2017-17722)
The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.The weakness exists in the readHeader function of bigtiffimage.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.
3) 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.
Remediation
Install update from vendor's website.