NULL pointer dereference in Exempi - CVE-2018-7731

 

NULL pointer dereference in Exempi - CVE-2018-7731

Published: March 14, 2018 / Updated: March 20, 2018


Vulnerability identifier: #VU11079
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-7731
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists in the WEBP::VP8XChunk::VP8XChunk() function due to NULL pointer dereference. A local attacker can submit a specially crafted file, trigger memory corruption and cause the service to crash.

Affected software

Exempi
Fedora
python-msldap
exempi

How to mitigate CVE-2018-7731

Update to version 2.4.5.

python-msldap - update to 0.3.15-1.fc33
exempi - addressed in versions 2.4.5-1.fc27, 2.4.5-1.fc28

External References

Related Security Bulletins