Denial of service in libsndfile - CVE-2017-7742

 

Denial of service in libsndfile - CVE-2017-7742

Published: June 2, 2017 / Updated: June 5, 2017


Vulnerability identifier: #VU6881
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-7742
CWE-ID: CWE-119
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 due to a read memory access flaw in the flac_buffer_copy function in flac.c. A remote attacker can send a specially crafted FLAC file, trick the victim into opening it, trigger a segmentation violation and cause the application to crash.

Successful exploitation of the vulnerability results in denial of service.

Affected software

libsndfile
Gentoo Linux
Ubuntu
libsndfile (Alpine package)
Microsoft Lync

How to mitigate CVE-2017-7742

Update to version 1.0.28.

libsndfile (Alpine package) - update to 1.0.28-r0

External References

Related Security Bulletins