Vulnerability in Ruby-Lang Ruby
CVE-2008-3443
The regular expression engine (regex.c) in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows remote attackers to cause a denial of service (infinite loop and crash) via multiple long requests to a Ruby socket, related to memory allocation failure, and as demonstrated against Webrick.
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: 0.157 (96.8th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.157 · newest: 0.157 · change: 0.000
Affected products
- Ruby-Lang Ruby — versions 1.6.8, 1.8.0, 1.8.1
Weakness classification (CWE)
References
- secunia.com/advisories/31430 (third-party-advisory)
- usn.ubuntu.com/651-1/ (vendor-advisory)
- secunia.com/advisories/33185 (third-party-advisory)
- www.debian.org/security/2009/dsa-1695 (vendor-advisory)
- support.apple.com/kb/HT3549
- www.securityfocus.com/bid/30682 (vdb-entry)
- www.redhat.com/archives/fedora-package-announce/2008-October/msg00299.html (vendor-advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/44688 (vdb-entry)
- securityreason.com/securityalert/4158 (third-party-advisory)
- secunia.com/advisories/35074 (third-party-advisory)