Mutt 1.5.19 mutt_ssl.c improper authentication

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.
7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Mutt 1.5.19. It has been classified as critical. The impacted element is an unknown function of the file mutt_ssl.c. Performing a manipulation results in improper authentication. This vulnerability is reported as CVE-2009-1390. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in Mutt 1.5.19 (Mail Client Software). This affects an unknown code block of the file mutt_ssl.c. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Mutt 1.5.19, when linked against (1) OpenSSL (mutt_ssl.c) or (2) GnuTLS (mutt_ssl_gnutls.c), allows connections when only one TLS certificate in the chain is accepted instead of verifying the entire chain, which allows remote attackers to spoof trusted servers via a man-in-the-middle attack.

The bug was discovered 06/10/2009. The weakness was disclosed 06/16/2009 by Miroslav Lichvar (Website). It is possible to read the advisory at xforce.iss.net. This vulnerability is uniquely identified as CVE-2009-1390 since 04/23/2009. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 39407 (Fedora 11 : mutt-1.5.19-5.fc11 (2009-6465)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (51068), Tenable (39407), SecurityFocus (BID 35288†), OSVDB (56467†) and Vulnerability Center (SBV-22631†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
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: 39407
Nessus Name: Fedora 11 : mutt-1.5.19-5.fc11 (2009-6465)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 64236
OpenVAS Name: Fedora Core 11 FEDORA-2009-6465 (mutt)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/23/2009 🔍
06/10/2009 +48 days 🔍
06/10/2009 +0 days 🔍
06/10/2009 +0 days 🔍
06/15/2009 +5 days 🔍
06/16/2009 +1 days 🔍
06/16/2009 +0 days 🔍
06/16/2009 +0 days 🔍
06/22/2009 +6 days 🔍
03/17/2015 +2094 days 🔍
09/06/2019 +1634 days 🔍

Sourcesinfo

Advisory: xforce.iss.net
Researcher: Miroslav Lichvar
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-1390 (🔍)
GCVE (CVE): GCVE-0-2009-1390
GCVE (VulDB): GCVE-100-48627
X-Force: 51068
SecurityFocus: 35288 - Mutt 'mutt_ssl.c' X.509 Certificate Chain Security Bypass Vulnerability
OSVDB: 56467 - Mutt - 'mutt_ssl.c' X.509 Certificate Chain Security Bypass Issue
Vulnerability Center: 22631 - Mutt 1.5.19 OpenSSL and GnuTLS Remote Spoofing and Man-in-the-Middle Vulnerability, Medium

Entryinfo

Created: 03/17/2015 23:38
Updated: 09/06/2019 15:24
Changes: 03/17/2015 23:38 (70), 09/06/2019 15:24 (7)
Complete: 🔍
Cache ID: 216:895:103

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.

Do you need the next level of professionalism?

Upgrade your account now!