CVE-2010-1194 Security feature bypass in n/a

Medium 6.8 Published Updated

Remote attackers can spoof trusted certificates by exploiting substring matching in libESMTP, bypassing TLS validation.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2010-1194?

CVE-2010-1194 is a medium-severity vulnerability in n/a, published on 31 Mar 2010. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The match_component function in smtp-tls.c in libESMTP 1.0.3.r1, and possibly other versions including 1.0.4, treats two strings as equal if one is a substring of the other, which allows remote attackers to spoof trusted certificates via a crafted subjectAltName.

Weakness: CWE-310

Which versions are affected by CVE-2010-1194?

It affects 1 product.

Products include Stafford.uklinux Libesmtp.

How do I fix CVE-2010-1194?

Upgrade to a fixed version.

Is CVE-2010-1194 being exploited?

There is no known exploitation of CVE-2010-1194 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2010-1194, GHSA-wqwx-p8fg-v9px.

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