SB2018021517 - Denial of service in Exiv2
Published: February 15, 2018
Security Bulletin ID
SB2018021517
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
3
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
1) Memory corruption (CVE-ID: CVE-2017-17723)
CWE-ID: CWE-119 - Memory corruption
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 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)
CWE-ID: CWE-119 - Memory corruption
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:P/U:Clear
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)
CWE-ID: CWE-119 - Memory corruption
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:P/U:Clear
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.