CVE-2017-6420 - The wwunpack function in libclamav/wwunpack.c in ClamAV 0.99.2 allows remote attackers to cause a de

CVE-2017-6420

Summary

The wwunpack function in libclamav/wwunpack.c in ClamAV 0.99.2 allows remote attackers to cause a denial of service (use-after-free) via a crafted PE file with WWPack compression.

References

https://bugzilla.clamav.net/show_bug.cgi?id=11798
https://github.com/varsleak/varsleak-vul/blob/master/clamav-vul/use-after-free/clamav-use-after-free-pe.md
https://github.com/vrtadmin/clamav-devel/commit/dfc00cd3301a42b571454b51a6102eecf58407bc
https://security.gentoo.org/glsa/201804-16

Vulnerable Configurations

cpe:2.3:a:clamav:clamav:0.99.2:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.99.2:*:*:*:*:*:*:*

CVSS

Base:	4.3 (as of 21-10-2018 - 10:29)
Impact:
Exploitability:

CWE

CWE-416

CAPEC

Access

Vector	Complexity	Authentication
NETWORK	MEDIUM	NONE

Impact

Confidentiality	Integrity	Availability
NONE	NONE	PARTIAL

cvss-vector via4

AV:N/AC:M/Au:N/C:N/I:N/A:P

refmap via4

gentoo	GLSA-201804-16
misc	https://bugzilla.clamav.net/show_bug.cgi?id=11798 https://github.com/varsleak/varsleak-vul/blob/master/clamav-vul/use-after-free/clamav-use-after-free-pe.md https://github.com/vrtadmin/clamav-devel/commit/dfc00cd3301a42b571454b51a6102eecf58407bc

Last major update

21-10-2018 - 10:29

Published

07-08-2017 - 03:29

Last modified

21-10-2018 - 10:29