--- title: "CVE-2010-1194\n | Ubuntu" description: Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. url: https://ubuntu.com/security/CVE-2010-1194?format=md keywords: index, follow --- # CVE-2010-1194 Publication date 31 March 2010 Last updated 24 July 2024 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## 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. ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | libesmtp | 11.04 natty | Not affected | | 10.10 maverick | Not affected | | 10.04 LTS lucid | Not affected | | 9.10 karmic | Ignored end of life | | 9.04 jaunty | Ignored end of life | | 8.10 intrepid | Ignored end of life, was needed | | 8.04 LTS hardy | Ignored end of life | | 6.06 LTS dapper | Ignored end of life | --- * [How can I get the fixes?](https://ubuntu.com/security/cves/about#security) * [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses) ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-1194) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2010-1194) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2010-1194) * [Debian](https://security-tracker.debian.org/tracker/CVE-2010-1194) ### Other references * *