Use-after-free error in ClamAV - CVE-2017-12374

 

Use-after-free error in ClamAV - CVE-2017-12374

Published: January 26, 2018 / Updated: January 29, 2018


Vulnerability identifier: #VU10312
CSH Severity: Low
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-12374
CWE-ID: CWE-416
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 input validation checking mechanisms during parsing mbox.c operations on bounce messages. A remote attacker can send a specially crafted input, trigger use-after-free error and cause the service to crash.

Affected software

ClamAV
Gentoo Linux
Arch Linux
Amazon Linux AMI
Fedora
SUSE Linux
Ubuntu
Opensuse
clamav (Alpine package)
clamav

How to mitigate CVE-2017-12374

Update to version 0.99.3.

clamav (Alpine package) - update to 0.99.4-r0
clamav - addressed in versions 0.99.3-1.el7, 0.99.3-1.fc26, 0.99.3-1.fc27, 0.99.3-8.el6

External References

Related Security Bulletins