CVE-2012-2124 Denial of service in n/a
Remote attackers can cause disk consumption denial of service by triggering excessive preference file creation via IMAP login attempts with 8-bit characters.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-2124?
CVE-2012-2124 is a medium-severity denial of service vulnerability in Redhat Enterprise Linux, published on 18 Jan 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
functions/imap_general.php in SquirrelMail, as used in Red Hat Enterprise Linux (RHEL) 4 and 5, does not properly handle 8-bit characters in passwords, which allows remote attackers to cause a denial of service (disk consumption) by making many IMAP login attempts with different usernames, leading to the creation of many preference files. NOTE: this issue exists because of an incorrect fix for CVE-2010-2813.
Weakness: CWE-399
Which versions are affected by CVE-2012-2124?
It affects 2 products.
Linux distribution packages (2)
squirrelmail Red Hat:enterprise_linux:5::client_workstation | All versions | 0:1.4.8-21.el5 |
squirrelmail Red Hat:enterprise_linux:5::server | All versions | 0:1.4.8-21.el5 |
Products include Redhat Enterprise Linux, Squirrelmail Squirrelmail.
How do I fix CVE-2012-2124?
Apply the vendor's patch.
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-2012-2124 being exploited?
There is no known exploitation of CVE-2012-2124 in the wild and no public exploit code.
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- CVE-2021-20325 Missing fixes for CVE-2021-40438 and CVE-2021-26691 in the versions of httpd, as shipped in Red Hat Enterprise Linux 8.5.0, causes a securit
- CVE-2018-25011 Memory corruption in libwebp
- CVE-2018-25014 Other in libwebp
- CVE-2014-3585 Supply chain in redhat-upgrade-tool
Sources
Also known as GHSA-xrcw-cgg9-mj7c, RHSA-2013:0126.