CVE-2010-1192
libESMTP, probably 1.0.4 and earlier, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle
02 Description
libESMTP, probably 1.0.4 and earlier, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.99% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 62.2% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2010-03-31 17:35Z16 YR AGO
- Last updated
- 2024-08-07 01:14Z2 YR AGO
- Reserved
- 2010-03-30
- Assigning CNA
- canonical
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 81f42c61a15c8f927e8877c9b7e3558739acbe29526470de20fe2f92e14fe837
05 Affected products
06 References
- www.openwall.com[oss-security] 20100309 Re: CVE Request: libesmtp does not check NULL bytes in commonNamehttp://www.openwall.com/lists/oss-security/2010/03/09/3
- www.vupen.comADV-2010-1107http://www.vupen.com/english/advisories/2010/1107
- lists.opensuse.orgSUSE-SR:2010:011http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html
- www.openwall.com[oss-security] 20100303 CVE Request: libesmtp does not check NULL bytes in commonNamehttp://www.openwall.com/lists/oss-security/2010/03/03/6
07 Fixed in
Debian 12
- libesmtp Fixed in 1.0.4-5
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- libesmtp Fixed in 1.0.4-5
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- libesmtp Fixed in 1.0.4-5
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.