Carnegie Mellon University Cyrus-SASL up to 1.5.22 lib/saslutil.c sasl_encode64 memory corruption

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.
6.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Carnegie Mellon University Cyrus-SASL up to 1.5.22. This impacts the function sasl_encode64 in the library lib/saslutil.c. Performing a manipulation results in memory corruption. This vulnerability is cataloged as CVE-2009-0688. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Carnegie Mellon University Cyrus-SASL up to 1.5.22. This affects the function sasl_encode64 in the library lib/saslutil.c. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Multiple buffer overflows in the CMU Cyrus SASL library before 2.1.23 might allow remote attackers to execute arbitrary code or cause a denial of service (application crash) via strings that are used as input to the sasl_encode64 function in lib/saslutil.c.

The weakness was shared 05/12/2009 as confirmed advisory (CERT.org). The advisory is shared at kb.cert.org. This vulnerability is uniquely identified as CVE-2009-0688 since 02/22/2009. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 23370 (Solaris 5.8 (sparc) : 115328-08), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Solaris Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117331 (Apple Mac OS X Security Update 2010-002 Not Installed (APPLE-SA-2010-03-29-1)).

Upgrading to version 1.5.23 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (50554), Tenable (23370), SecurityFocus (BID 34961†), OSVDB (54514†) and Secunia (SA35094†). The entries VDB-49430, VDB-52475, VDB-52443 and VDB-52442 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 23370
Nessus Name: Solaris 5.8 (sparc) : 115328-08
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 64109
OpenVAS Name: Debian Security Advisory DSA 1807-1 (cyrus-sasl2, cyrus-sasl2-heimdal)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Cyrus-SASL 1.5.23

Timelineinfo

11/06/2006 🔍
02/22/2009 +839 days 🔍
05/12/2009 +79 days 🔍
05/14/2009 +1 days 🔍
05/14/2009 +0 days 🔍
05/15/2009 +1 days 🔍
05/15/2009 +0 days 🔍
05/15/2009 +0 days 🔍
05/17/2009 +1 days 🔍
03/17/2015 +2130 days 🔍
12/14/2024 +3560 days 🔍

Sourcesinfo

Advisory: kb.cert.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2009-0688 (🔍)
GCVE (CVE): GCVE-0-2009-0688
GCVE (VulDB): GCVE-100-48189

OVAL: 🔍

CERT: 🔍
X-Force: 50554
SecurityFocus: 34961 - Cyrus SASL 'sasl_encode64()' Remote Buffer Overflow Vulnerability
Secunia: 35094
OSVDB: 54514 - Cyrus SASL lib/saslutil.c sasl_encode64() Function Overflow
SecurityTracker: 1022231 - Cyrus SASL Buffer Overflow in sasl_encode64 Lets Remote Users Execute Arbitrary Code
Vulnerability Center: 22027 - Cyrus SASL < 2.1.23 Encode64 Remote Arbitrary Code Execution Vulnerability, High
Vupen: ADV-2009-1313

See also: 🔍

Entryinfo

Created: 03/17/2015 23:38
Updated: 12/14/2024 20:27
Changes: 03/17/2015 23:38 (76), 08/22/2017 11:32 (10), 08/11/2021 09:27 (3), 12/14/2024 20:27 (15)
Complete: 🔍
Cache ID: 216:799:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to stay up to date on a daily basis?

Enable the mail alert feature now!