PT-2012-2900 · Apache · Apache Portable Runtime (Apr) Library

William A. Rowe Jr · Published 2012-02-10 · Updated 2017-12-05 · CVE-2012-0840

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Name of the Vulnerable Software and Affected Versions Apache Portable Runtime (APR) library versions through 1.4.5

Description The issue allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table, due to the computation of hash values without restricting the ability to trigger hash collisions predictably.

Recommendations For versions through 1.4.5, update to a version that addresses this issue to prevent denial of service attacks.

Exploit

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2012-0840

Affected Products

Apache Portable Runtime (Apr) Library

References · 15

• 🔥 https://exploit-db.com/exploits/36669 · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2012-0840 · Vendor Advisory
• http://secunia.com/advisories/47862 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2012-0840 · Vendor Advisory
• http://svn.apache.org/viewvc?rev=1231605&view=rev · Patch
• https://osv.dev/vulnerability/CVE-2012-0840 · Vendor Advisory
• http://mandriva.com/security/advisories?name=MDVSA-2012:019 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2012-0840 · Security Note
• http://openwall.com/lists/oss-security/2012/02/08/3 · Note
• http://mail-archive.com/dev%40apr.apache.org/msg24439.html · Note
• http://mail-archive.com/dev%40apr.apache.org/msg24472.html · Note
• http://openwall.com/lists/oss-security/2012/02/09/1 · Note
• http://mail-archive.com/dev%40apr.apache.org/msg24473.html · Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/73096 · Note
• http://mail-archives.apache.org/mod_mbox/apr-commits/201201.mbox/%3C20120115003715.071D423888FD%40eris.apache.org%3E · Note