Exim 4.82 Math Comparison numeric error

CVSS Meta Temp Score
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CTI Interest Score
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3.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Exim 4.82 and classified as problematic. This affects an unknown function of the component Math Comparison Handler. The manipulation results in numeric error. This vulnerability was named CVE-2014-2972. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Exim 4.82 (Mail Server Software). It has been classified as problematic. Affected is an unknown code of the component Math Comparison Handler. The manipulation with an unknown input leads to a numeric error vulnerability. CWE is classifying the issue as CWE-189. This is going to have an impact on integrity. CVE summarizes:

expand.c in Exim before 4.83 expands mathematical comparisons twice, which allows local users to gain privileges and execute arbitrary commands via a crafted lookup value.

The weakness was presented 07/22/2014 as confirmed mailinglist post (oss-sec). The advisory is available at seclists.org. This vulnerability is traded as CVE-2014-2972 since 04/21/2014. The exploitability is told to be easy. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 78338 (Amazon Linux AMI : exim (ALAS-2014-395)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196434 (Ubuntu Security Notification for Exim4 Vulnerabilities (USN-2933-1)).

Upgrading to version 4.83 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (94758), Tenable (78338), SecurityFocus (BID 68857†) and Vulnerability Center (SBV-45739†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.5

VulDB Base Score: 4.0
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 78338
Nessus Name: Amazon Linux AMI : exim (ALAS-2014-395)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: ALAS-2014-395
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 4.83

Timelineinfo

04/21/2014 🔍
07/22/2014 +92 days 🔍
07/22/2014 +0 days 🔍
07/22/2014 +0 days 🔍
07/23/2014 +1 days 🔍
08/10/2014 +18 days 🔍
09/04/2014 +25 days 🔍
10/12/2014 +38 days 🔍
02/09/2022 +2677 days 🔍

Sourcesinfo

Advisory: USN-2933-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-2972 (🔍)
GCVE (CVE): GCVE-0-2014-2972
GCVE (VulDB): GCVE-100-67218
X-Force: 94758 - Exim math comparison functions weak security, Low Risk
SecurityFocus: 68857 - Exim CVE-2014-2972 Local Privilege Escalation Vulnerability
Vulnerability Center: 45739 - Exim before 4.83 Local Bypass Restrictions due to Double Expansion of String Values by the Math Comparison Functions, Low

Entryinfo

Created: 07/23/2014 10:07
Updated: 02/09/2022 17:08
Changes: 07/23/2014 10:07 (70), 06/04/2017 10:36 (7), 02/09/2022 17:01 (3), 02/09/2022 17:08 (1)
Complete: 🔍
Cache ID: 216:346:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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