Stafford.uklinux libESMTP up to 1.0.4 Certificates smtp-tls.c match_component cryptographic issue

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Stafford.uklinux libESMTP. It has been declared as critical. Affected by this vulnerability is the function match_component of the file smtp-tls.c of the component Certificates. Executing a manipulation can lead to cryptographic issue. This vulnerability is tracked as CVE-2010-1194. No exploit exists. Once again VulDB remains the best source for vulnerability data.

Detailsinfo

A vulnerability has been found in Stafford.uklinux libESMTP and classified as critical. This vulnerability affects the function match_component of the file smtp-tls.c of the component Certificates. The manipulation with an unknown input leads to a cryptographic issue vulnerability. The CWE definition for the vulnerability is CWE-310. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was disclosed 03/31/2010 by Martin (Website). The advisory is shared for download at bugs.debian.org. This vulnerability was named CVE-2010-1194. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1600.

The vulnerability scanner Nessus provides a plugin with the ID 49742 (Mandriva Linux Security Advisory : libesmtp (MDVSA-2010:195)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165222 (SUSE Security Update for Multiple Packages (SUSE-SR:2010:011)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (49742), SecurityFocus (BID 38538†) and Vulnerability Center (SBV-25665†). The entry VDB-52491 is pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cryptographic issue
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 49742
Nessus Name: Mandriva Linux Security Advisory : libesmtp (MDVSA-2010:195)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 800497
OpenVAS Name: libESMTP multiple vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/29/2005 🔍
05/29/2005 +0 days 🔍
03/30/2010 +1765 days 🔍
03/31/2010 +1 days 🔍
03/31/2010 +0 days 🔍
05/09/2010 +39 days 🔍
03/19/2015 +1775 days 🔍
05/23/2025 +3717 days 🔍

Sourcesinfo

Advisory: bugs.debian.org
Researcher: Martin
Status: Not defined
Confirmation: 🔍

CVE: CVE-2010-1194 (🔍)
GCVE (CVE): GCVE-0-2010-1194
GCVE (VulDB): GCVE-100-52492
SecurityFocus: 38538 - libESMTP X.509 Certificate 'match_component()' Domain Validation Security Bypass Vulnerability
Vulnerability Center: 25665 - libESMTP 1.0.3.r1 match_component Function Remote Spoofing Vulnerability via Crafted SubjectAltName, Medium

See also: 🔍

Entryinfo

Created: 03/19/2015 12:22 PM
Updated: 05/23/2025 01:52 AM
Changes: 03/19/2015 12:22 PM (59), 02/24/2017 09:45 AM (8), 09/06/2021 02:13 PM (4), 09/06/2021 02:16 PM (1), 05/23/2025 01:52 AM (16)
Complete: 🔍
Cache ID: 244:7B3:40

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