Improper input validation in Apache Portable Runtime
CVE-2012-0840
tables/apr_hash.c in the Apache Portable Runtime (APR) library through 1.4.5 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.421 (98.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.433 · newest: 0.421 · change: -0.012
Affected products
- Apache Portable Runtime — versions 0.9.1, 0.9.2, 0.9.2-dev
Weakness classification (CWE)
References
- mail-archives.apache.org/mod_mbox/apr-commits/201201.mbox/<20120115003715.071D4… (mailing-list)
- exchange.xforce.ibmcloud.com/vulnerabilities/73096 (vdb-entry)
- openwall.com/lists/oss-security/2012/02/08/3 (mailing-list)
- www.mandriva.com/security/advisories (vendor-advisory)
- secunia.com/advisories/47862 (Vendor Advisory, third-party-advisory)
- svn.apache.org/viewvc (Patch)
- www.mail-archive.com/dev@apr.apache.org/msg24439.html (mailing-list)
- www.mail-archive.com/dev@apr.apache.org/msg24472.html (mailing-list)
- openwall.com/lists/oss-security/2012/02/09/1 (mailing-list)
- www.mail-archive.com/dev@apr.apache.org/msg24473.html (mailing-list)