5.5med
CVE-2017-6420
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…
Published 9 y ago · modified 4 mo ago · JSON
CVSS
5.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.4%
percentile 72%
Public exploits
0
none known
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.
Exploit prediction (EPSS)
1.38% probability of exploitation in the next 30 days, higher than 72% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 5.5 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Classification
- Weakness
- CWE-416 Use After Free
References
- bugzilla.clamav.net /show_bug.cgi?id=11798 · x_refsource_MISC, x_transferred
- github.com /varsleak/varsleak-vul/blob/master/clamav-vul/use-after-free/clamav-use-after-free-pe.md · x_refsource_MISC, x_transferred
- security.gentoo.org /glsa/201804-16 · vendor-advisory, x_refsource_GENTOO, x_transferred
- github.com /vrtadmin/clamav-devel/commit/dfc00cd3301a42b571454b51a6102eecf58407bc · x_refsource_MISC, x_transferred
Sources
- CVE List: CVE-2017-6420
- NVD: CVE-2017-6420
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