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7.3	$0-$5k	0.00

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 issues 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.

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 vulnerability database at Tenable (49742). The entry 52491 is pretty similar.

Productinfo

Vendor

• Stafford.uklinux

Name

• libESMTP

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.6.1
• 0.7.0
• 0.7.1
• 0.8.0
• 0.8.1
• 0.8.2
• 0.8.3
• 0.8.4
• 0.8.5
• 0.8.6
• 0.8.7
• 0.8.8
• 0.8.9
• 0.8.10
• 0.8.11
• 0.8.12
• 1.0
• 1.0.1
• 1.0.2
• 1.0.3
• 1.0.4

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

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: 🔍

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 🔍
09/06/2021 +2363 days 🔍

Sourcesinfo

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

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

See also: 🔍

Entryinfo

Created: 03/19/2015 12:22
Updated: 09/06/2021 14:16
Changes: 03/19/2015 12:22 (59), 02/24/2017 09:45 (8), 09/06/2021 14:13 (4), 09/06/2021 14:16 (1)
Complete: 🔍
Cache ID: 3:B92:103

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