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.
5.7	$0-$5k	0.00

A vulnerability classified as problematic was found in Exim (Mail Server Software). This vulnerability affects an unknown code. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

transports/appendfile.c in Exim before 4.72, when MBX locking is enabled, allows local users to change permissions of arbitrary files or create arbitrary files, and cause a denial of service or possibly gain privileges, via a symlink attack on a lockfile in /tmp/.

The weakness was published 06/07/2010 by Dan Rosenberg (Website). The advisory is available at vcs.exim.org. This vulnerability was named CVE-2010-2024. Local access is required to approach this attack. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 46783 (Exim < 4.72 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SMTP problems. The commercial vulnerability scanner Qualys is able to test this issue with plugin 118355 (Fedora Update for Exim (FEDORA-2010-9524)).

Upgrading to version 4.30 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (59042) and Tenable (46783). Similar entry is available at 53469.

Productinfo

Type

• Mail Server Software

Name

• Exim

Version

• 4.10
• 4.20
• 4.21
• 4.22
• 4.23
• 4.24
• 4.30
• 4.31
• 4.32
• 4.33
• 4.34
• 4.40
• 4.41
• 4.42
• 4.43
• 4.44
• 4.50
• 4.51
• 4.52
• 4.53
• 4.54
• 4.60
• 4.61
• 4.62
• 4.63
• 4.64
• 4.65
• 4.66
• 4.67
• 4.68
• 4.69
• 4.70
• 4.71

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
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: Race condition
CWE: CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

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: 46783
Nessus Name: Exim < 4.72 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 100663
OpenVAS Name: Exim < 4.72 RC2 Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Exim 4.30

Timelineinfo

05/24/2010 🔍
05/24/2010 +0 days 🔍
05/24/2010 +0 days 🔍
06/07/2010 +14 days 🔍
06/07/2010 +0 days 🔍
06/08/2010 +1 days 🔍
03/19/2015 +1745 days 🔍
09/14/2021 +2371 days 🔍

Sourcesinfo

Advisory: USN-1060-1
Researcher: Dan Rosenberg
Status: Not defined
Confirmation: 🔍

CVE: CVE-2010-2024 (🔍)
OVAL: 🔍

X-Force: 59042
Vulnerability Center: 25975 - Exim Prior to 4.72 RC2 Local DoS or Arbitrary File Creation Vulnerability via MBX Locking Feature, Medium
SecurityFocus: 40454 - Exim MBX Locking Insecure Temporary File Creation Vulnerability
Secunia: 40019

See also: 🔍

Entryinfo

Created: 03/19/2015 12:22
Updated: 09/14/2021 18:46
Changes: 03/19/2015 12:22 (60), 02/27/2017 09:38 (10), 09/14/2021 18:39 (6), 09/14/2021 18:46 (1)
Complete: 🔍

Discussion

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