CVE-2013-2020 Integer overflow in n/a

What is CVE-2013-2020?

CVE-2013-2020 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 13 May 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-189

Which versions are affected by CVE-2013-2020?

It affects 3 products.

Products include Canonical Ubuntu Linux, Clamav Clamav, Suse Linux Enterprise Server.

How do I fix CVE-2013-2020?

Upgrade to a fixed version.

Is CVE-2013-2020 being exploited?

There is no known exploitation of CVE-2013-2020 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2013-2020, GHSA-3fch-7wxv-99j8.