Cyrus Imap
CVE-2024-34055
MEDIUM
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
1DescriptionNVD
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.
AnalysisAI
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. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. This Allocation of Resources Without Limits vulnerability could allow attackers to exhaust system resources through uncontrolled allocation.
Technical ContextAI
This vulnerability is classified as Allocation of Resources Without Limits (CWE-770), which allows attackers to exhaust system resources through uncontrolled allocation. 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. Affected products include: Cyrusimap Cyrus Imap. Version information: before 3.8.3.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Set resource limits, implement rate limiting, validate input sizes.
More in Cyrus Imap
View allCyrus IMAP before 3.0.3 allows remote authenticated users to write to arbitrary files via a crafted (1) SYNCAPPLY, (2) S
Unauthorized mailbox deletion in Cyrus IMAP through 3.12.2 allows any authenticated non-admin user to invoke the admin-o
Incorrect authorization in Cyrus IMAP through 3.12.2 allows authenticated users to bypass mailbox ACL enforcement via th
Cross-user information disclosure in Cyrus IMAP through 3.12.2 allows any authenticated IMAP user to enumerate folder na
Cyrus IMAP through 3.12.2 exposes mailbox ACL data to any authenticated user via the IMAP LISTRIGHTS command, which lack
URLAUTH token forgery in Cyrus IMAP through 3.12.2 allows a network-based unauthenticated attacker to read the contents
Unauthorized mailbox access in Cyrus IMAP through 3.12.2 allows any authenticated user to read email from mailboxes they
Cyrus IMAP through version 3.12.2 fails to invalidate URLAUTH-minted URLs when the authorizer's access is subsequently r
Cyrus IMAP through version 3.12.2 contains an authorization flaw in its XAPPLEPUSHSERVICE (XAPS) command that lets authe
Heap over-read in Cyrus IMAP through version 3.12.2 enables authenticated IMAP users to leak server heap memory by submi
Same technique Denial Of Service
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External POC / Exploit Code
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