CVE-2012-3398

Severity: medium (CVSS 4.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-07-23 · updated 2026-06-16

Description

Algorithmic complexity vulnerability in Moodle 1.9.x before 1.9.19, 2.0.x before 2.0.10, 2.1.x before 2.1.7, and 2.2.x before 2.2.4 allows remote authenticated users to cause a denial of service (CPU consumption) by using the advanced-search feature on a database activity that has many records.

Affected products

Moodle: 1.9.1, 1.9.2, 1.9.3, 1.9.4, 1.9.5, 1.9.6 (+33)

References

http://git.moodle.org/gw?p=moodle.git&a=search&h=refs%2Fheads%2FMOODLE_22_STABLE&st=commit&s=MDL-32126
http://openwall.com/lists/oss-security/2012/07/17/1
http://secunia.com/advisories/49890
http://www.securityfocus.com/bid/54481
https://exchange.xforce.ibmcloud.com/vulnerabilities/76964
http://git.moodle.org/gw?p=moodle.git&a=search&h=refs%2Fheads%2FMOODLE_22_STABLE&st=commit&s=MDL-32126
http://openwall.com/lists/oss-security/2012/07/17/1
http://secunia.com/advisories/49890
http://www.securityfocus.com/bid/54481
https://exchange.xforce.ibmcloud.com/vulnerabilities/76964

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