University of Cambridge Exim 3.22 Batched SMTP Mode SMTP Header format string

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 has been found in University of Cambridge Exim 3.22 and classified as critical. This vulnerability affects unknown code of the component Batched SMTP Mode. The manipulation as part of SMTP Header leads to format string. This vulnerability is referenced as CVE-2001-0690. Furthermore, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in University of Cambridge Exim 3.22 (Mail Server Software). It has been rated as critical. This issue affects an unknown part of the component Batched SMTP Mode. The manipulation as part of a SMTP Header leads to a format string vulnerability. Using CWE to declare the problem leads to CWE-134. The product uses a function that accepts a format string as an argument, but the format string originates from an external source. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Format string vulnerability in exim (3.22-10 in Red Hat, 3.12 in Debian and 3.16 in Conectiva) in batched SMTP mode allows a remote attacker to execute arbitrary code via format strings in SMTP mail headers.

The bug was discovered 06/06/2001. The weakness was published 09/20/2001 (Website). The advisory is shared at redhat.com. The identification of this vulnerability is CVE-2001-0690. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 14895 (Debian DSA-058-1 : exim - local printf format attack), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian 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 (6671), Exploit-DB (20900), Tenable (14895), SecurityFocus (BID 2828†) and OSVDB (1855†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

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: 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: Format string
CWE: CWE-134 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 14895
Nessus Name: Debian DSA-058-1 : exim - local printf format attack
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 53811
OpenVAS Name: Debian Security Advisory DSA 058-1 (exim)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/06/2001 🔍
06/06/2001 +0 days 🔍
06/06/2001 +0 days 🔍
06/10/2001 +4 days 🔍
09/20/2001 +102 days 🔍
09/20/2001 +0 days 🔍
09/29/2004 +1105 days 🔍
02/01/2005 +125 days 🔍
07/09/2014 +3445 days 🔍
10/07/2024 +3743 days 🔍

Sourcesinfo

Advisory: redhat.com
Status: Not defined

CVE: CVE-2001-0690 (🔍)
GCVE (CVE): GCVE-0-2001-0690
GCVE (VulDB): GCVE-100-17405
X-Force: 6671
SecurityFocus: 2828 - Exim Format String Vulnerability
OSVDB: 1855 - Exim - Format String Issue
Vulnerability Center: 6964 - Code Execution in University of Cambridge Exim 3.11 - 3.22 via Check Syntax Mode, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/09/2014 12:46
Updated: 10/07/2024 18:28
Changes: 07/09/2014 12:46 (72), 05/29/2019 17:27 (4), 10/07/2024 18:28 (25)
Complete: 🔍
Cache ID: 216::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.

◂ PreviousOverviewNext ▸

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!