Apache SpamAssassin up to 3.4.2 Message resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Apache SpamAssassin up to 3.4.2. This impacts an unknown function of the component Message Handler. This manipulation causes resource consumption. The identification of this vulnerability is CVE-2019-12420. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Apache SpamAssassin up to 3.4.2 (Anti-Spam Software). Affected by this vulnerability is some unknown functionality of the component Message Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability. The summary by CVE is:

In Apache SpamAssassin before 3.4.3, a message can be crafted in a way to use excessive resources. Upgrading to SA 3.4.3 as soon as possible is the recommended fix but details will not be shared publicly.

The weakness was shared 12/12/2019 (Website). It is possible to read the advisory at lists.apache.org. This vulnerability is known as CVE-2019-12420 since 05/28/2019. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 3.4.3 eliminates this vulnerability.

The entry VDB-147078 is related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: SpamAssassin 3.4.3

Timelineinfo

05/28/2019 🔍
12/12/2019 +198 days 🔍
12/13/2019 +1 days 🔍
03/11/2024 +1550 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: USN-4237-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-12420 (🔍)
GCVE (CVE): GCVE-0-2019-12420
GCVE (VulDB): GCVE-100-147079
See also: 🔍

Entryinfo

Created: 12/13/2019 08:01
Updated: 03/11/2024 08:37
Changes: 12/13/2019 08:01 (41), 12/13/2019 08:06 (18), 03/11/2024 08:37 (4)
Complete: 🔍
Cache ID: 216::103

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