CVE-2013-2020

Description

Integer underflow in the cli_scanpe function in pe.c in ClamAV before 0.97.8 allows remote attackers to cause a denial of service (crash) via a skewed offset larger than the size of the PE section in a UPX packed executable, which triggers an out-of-bounds read.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 12.07% Top 10%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory mandriva.com Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory secunia.com Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/53150 third party advisory vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2013-June/109514.html vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105575.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2014-12/msg00006.html vendor advisory
http://lists.opensuse.org/opensuse-updates/2013-06/msg00018.html vendor advisory
http://blog.clamav.net/2013/04/clamav-0978-has-been-released.html patch
http://support.apple.com/kb/HT5892
https://github.com/vrtadmin/clamav-devel/commit/270e368b99e93aa5447d46c797c92c3f9f39f375
http://www.ubuntu.com/usn/USN-1816-1 vendor advisory
http://lists.opensuse.org/opensuse-updates/2013-06/msg00020.html vendor advisory
http://secunia.com/advisories/53182 third party advisory vendor advisory
http://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html vendor advisory
http://www.openwall.com/lists/oss-security/2013/04/29/20 mailing list
http://lists.apple.com/archives/security-announce/2013/Sep/msg00004.html vendor advisory
http://www.securityfocus.com/bid/59434 vdb entry
http://www.openwall.com/lists/oss-security/2013/04/25/2 mailing list
http://www.mandriva.com/security/advisories?name=MDVSA-2013:159 vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2013-June/109639.html vendor advisory
https://bugzilla.clamav.net/show_bug.cgi?id=7055
http://lists.fedoraproject.org/pipermail/package-announce/2013-June/109652.html vendor advisory
http://support.apple.com/kb/HT5880

Frequently Asked Questions

What is the severity of CVE-2013-2020?
CVE-2013-2020 has been scored as a medium severity vulnerability.
How to fix CVE-2013-2020?
To fix CVE-2013-2020, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-2020 being actively exploited in the wild?
It is possible that CVE-2013-2020 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~12% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.