CVE-2024-34055 Denial of service in n/a
Authenticated attackers can cause unbounded memory allocation and denial of service in Cyrus IMAP by sending many LITERALs in a single command.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-34055?
CVE-2024-34055 is a medium-severity denial of service vulnerability in n/a, published on 5 Jun 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-770
Which versions are affected by CVE-2024-34055?
It affects 1 product.
Linux distribution packages (15)
cyrus-imapd AlmaLinux:9 | All versions | 3.4.8-1.el9 |
cyrus-imapd-libs AlmaLinux:9 | All versions | 3.4.8-1.el9 |
cyrus-imapd-utils AlmaLinux:9 | All versions | 3.4.8-1.el9 |
perl-Cyrus AlmaLinux:9 | All versions | 3.4.8-1.el9 |
cyrus-imapd Red Hat:enterprise_linux:9::appstream | All versions | 0:3.4.8-1.el9 |
cyrus-imapd-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:3.4.8-1.el9 |
cyrus-imapd-debugsource Red Hat:enterprise_linux:9::appstream | All versions | 0:3.4.8-1.el9 |
cyrus-imapd-libs Red Hat:enterprise_linux:9::appstream | All versions | 0:3.4.8-1.el9 |
cyrus-imapd-libs-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:3.4.8-1.el9 |
cyrus-imapd-utils Red Hat:enterprise_linux:9::appstream | All versions | 0:3.4.8-1.el9 |
cyrus-imapd-utils-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:3.4.8-1.el9 |
cyrus-imapd-virusscan-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:3.4.8-1.el9 |
perl-Cyrus Red Hat:enterprise_linux:9::appstream | All versions | 0:3.4.8-1.el9 |
perl-Cyrus-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:3.4.8-1.el9 |
cyrus-imapd Rocky Linux:9 | All versions | 0:3.4.8-1.el9 |
Products include Cyrusimap Cyrus Imap.
How do I fix CVE-2024-34055?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-34055 being exploited?
There is no known exploitation of CVE-2024-34055 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as ALSA-2024:9195, CLSA-2026-1779119949, DEBIAN-CVE-2024-34055, DSA-5708-1, GHSA-crp5-539g-qwq6, RHSA-2024:9195 and 2 more.