CVE-2010-4344
Exim Heap-Based Buffer Overflow Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
Required action
Apply updates per vendor instructions.
CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2010-4344
Description
Heap-based buffer overflow in the string_vformat function in string.c in Exim before 4.70 allows remote attackers to execute arbitrary code via an SMTP session that includes two MAIL commands in conjunction with a large message containing crafted headers, leading to improper rejection logging.
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HAffected Products
| Vendor | Product | Affected versions |
|---|---|---|
| - | - | n/a |
References
33 Links- http://bugs.exim.org/show_bug.cgi?id=787
- http://www.metasploit.com/modules/exploit/unix/smtp/exim4_string_format
- http://atmail.com/blog/2010/atmail-6204-now-available/
- https://bugzilla.redhat.com/show_bug.cgi?id=661756
- http://www.cpanel.net/2010/12/exim-remote-memory-corruption-vulnerability-notification-cve-2010-4344.html
- http://www.theregister.co.uk/2010/12/11/exim_code_execution_peril/
- ftp://ftp.exim.org/pub/exim/ChangeLogs/ChangeLog-4.70
- http://git.exim.org/exim.git/commit/24c929a27415c7cfc7126c47e4cad39acf3efa6b
Record Details
CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.