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CVE
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CVE-2017-6420Date: (C)2017-08-09   (M)2023-12-22


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 5.5CVSS Score : 4.3
Exploit Score: 1.8Exploit Score: 8.6
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: MEDIUM
Privileges Required: NONEAuthentication: NONE
User Interaction: REQUIREDConfidentiality: NONE
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: NONEAvailability: PARTIAL
Integrity: NONE 
Availability: HIGH 
  
Reference:
GLSA-201804-16
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

CWE    1
CWE-416
OVAL    12
oval:org.secpod.oval:def:1600838
oval:org.secpod.oval:def:703770
oval:org.secpod.oval:def:89002196
oval:org.secpod.oval:def:89002269
...

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