Cyrus IMAPd up to 3.8.2 Command resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Cyrus IMAPd up to 3.8.2. Affected by this issue is some unknown functionality of the component Command Handler. Executing a manipulation can lead to resource consumption. This vulnerability is handled as CVE-2024-34055. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Cyrus IMAPd up to 3.8.2. It has been declared as problematic. This vulnerability affects some unknown functionality of the component Command 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. CVE summarizes:

Cyrus IMAP before 3.8.3 and 3.10.x before 3.10.0-rc1 allows authenticated attackers to cause unbounded memory allocation by sending many LITERALs in a single command.

The advisory is shared for download at github.com. This vulnerability was named CVE-2024-34055 since 04/30/2024. The exploitation appears to be easy. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 211015 (Fedora 41 : cyrus-imapd (2024-cfbdc342a2)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.8.3 or 3.10.0-rc1 eliminates this vulnerability. Applying the patch ef9e4e8314d6a06f2269af0ccf606894cc3fe489 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (211015). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.7

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector: 🔍

CVSSv2info

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

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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Nessus ID: 211015
Nessus Name: Fedora 41 : cyrus-imapd (2024-cfbdc342a2)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: IMAPd 3.8.3/3.10.0-rc1
Patch: ef9e4e8314d6a06f2269af0ccf606894cc3fe489

Timelineinfo

04/30/2024 🔍
06/05/2024 +36 days 🔍
06/05/2024 +0 days 🔍
12/06/2024 +184 days 🔍

Sourcesinfo

Advisory: ef9e4e8314d6a06f2269af0ccf606894cc3fe489
Status: Confirmed

CVE: CVE-2024-34055 (🔍)
GCVE (CVE): GCVE-0-2024-34055
GCVE (VulDB): GCVE-100-267136

Entryinfo

Created: 06/05/2024 07:47
Updated: 12/06/2024 20:01
Changes: 06/05/2024 07:47 (57), 06/06/2024 05:08 (1), 06/12/2024 18:28 (11), 11/17/2024 21:09 (3), 12/06/2024 20:01 (11)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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