Stafford.uklinux libESMTP up to 1.0.4 cryptographic issue

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Stafford.uklinux libESMTP. It has been classified as critical. Affected is an unknown function. Performing a manipulation results in cryptographic issue. This vulnerability is identified as CVE-2010-1192. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Stafford.uklinux libESMTP. This affects an unknown code block. The manipulation with an unknown input leads to a cryptographic issue vulnerability. CWE is classifying the issue as CWE-310. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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 attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

The weakness was released 03/31/2010 by Kees Cook (Website). It is possible to read the advisory at vupen.com. This vulnerability is uniquely identified as CVE-2010-1192. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 46249 (openSUSE Security Update : libesmtp (openSUSE-SU-2010:0220-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE 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 (46249), SecurityFocus (BID 38528†) and Vulnerability Center (SBV-25666†). Entries connected to this vulnerability are available at VDB-50963, VDB-50962, VDB-52996 and VDB-52995. Statistical analysis made it clear that VulDB provides the best quality 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
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 46249
Nessus Name: openSUSE Security Update : libesmtp (openSUSE-SU-2010:0220-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

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

03/03/2010 🔍
03/03/2010 +0 days 🔍
03/30/2010 +26 days 🔍
03/31/2010 +1 days 🔍
03/31/2010 +0 days 🔍
05/07/2010 +37 days 🔍
05/09/2010 +2 days 🔍
03/19/2015 +1775 days 🔍
05/04/2026 +4064 days 🔍

Sourcesinfo

Advisory: vupen.com⛔
Researcher: Kees Cook
Status: Not defined

CVE: CVE-2010-1192 (🔍)
GCVE (CVE): GCVE-0-2010-1192
GCVE (VulDB): GCVE-100-52491
SecurityFocus: 38528 - libESMTP NULL Character CA SSL Certificate Validation Security Bypass Vulnerability
Vulnerability Center: 25666 - libESMTP 1.0.4 \x27\\0\x27 Character SSL Servers Remote Spoofing Vulnerability via a Crafted Certificate, Medium

See also: 🔍

Entryinfo

Created: 03/19/2015 12:22
Updated: 05/04/2026 08:45
Changes: 03/19/2015 12:22 (57), 02/24/2017 09:45 (9), 09/06/2021 14:07 (3), 09/06/2021 14:10 (1), 05/23/2025 01:52 (16), 05/04/2026 08:45 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!