Infinite loop in xpdf - CVE-2018-7173
Published: March 13, 2018 / Updated: July 29, 2019
Vulnerability identifier: #VU10946
CSH Severity: Low
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-7173
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in the JBIG2Stream::readSymbolDictSeg function due to improper decoding operations. A remote attacker can send a specially crafted file, trick the victim into opening it, trigger infinite loop and cause the service to crash.
The weakness exists in the JBIG2Stream::readSymbolDictSeg function due to improper decoding operations. A remote attacker can send a specially crafted file, trick the victim into opening it, trigger infinite loop and cause the service to crash.
Affected software
xpdf
Fedora
xpdf
Fedora
xpdf
How to mitigate CVE-2018-7173
Install update from vendor's website.
xpdf - update to 4.01
xpdf - update to 4.01-1.fc29
xpdf - update to 4.01-1.fc29