Cyrus IMAP up to 3.0.11 HTTP Request privileges management

Summaryinfo

A vulnerability has been found in Cyrus IMAP and classified as critical. This vulnerability affects unknown code. The manipulation as part of HTTP Request leads to privileges management. This vulnerability is documented as CVE-2019-18928. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Cyrus IMAP and classified as critical. This issue affects an unknown part. The manipulation as part of a HTTP Request leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Cyrus IMAP 2.5.x before 2.5.14 and 3.x before 3.0.12 allows privilege escalation because an HTTP request may be interpreted in the authentication context of an unrelated previous request that arrived over the same connection.

The weakness was released 11/15/2019. The identification of this vulnerability is CVE-2019-18928 since 11/12/2019. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 214517 (Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS : Cyrus IMAP Server vulnerabilities (USN-7224-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2.5.14 or 3.0.12 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (214517). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• Cyrus

Name

• IMAP

Version

• 2.5.0
• 2.5.1
• 2.5.2
• 2.5.3
• 2.5.4
• 2.5.5
• 2.5.6
• 2.5.7
• 2.5.8
• 2.5.9
• 2.5.10
• 2.5.11
• 2.5.12
• 2.5.13
• 3.0.0
• 3.0.1
• 3.0.2
• 3.0.3
• 3.0.4
• 3.0.5
• 3.0.6
• 3.0.7
• 3.0.8
• 3.0.9
• 3.0.10
• 3.0.11

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion