5.0med
CVE-2008-34431 exploit
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 r1842…
Published 18 y ago · modified 4 mo ago · JSON
CVSS
5.0
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
15.7%
percentile 97%
Public exploits
1
Exploit-DB
Summary
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.
Exploit prediction (EPSS)
15.68% probability of exploitation in the next 30 days, higher than 97% of all scored CVEs.
Exploits and detections
- EDB-6239 Ruby 1.9 - regex engine Remote Socket Memory Leak · dos · 2008-08-13
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
- CWE-399 Resource Management Errors
References
- secunia.com /advisories/31430 · third-party-advisory, x_refsource_SECUNIA, x_transferred
- usn.ubuntu.com /651-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
- secunia.com /advisories/33185 · third-party-advisory, x_refsource_SECUNIA, x_transferred
- debian.org /security/2009/dsa-1695 · vendor-advisory, x_refsource_DEBIAN, x_transferred
- support.apple.com /kb/HT3549 · x_refsource_CONFIRM, x_transferred
- securityfocus.com /bid/30682 · vdb-entry, x_refsource_BID, x_transferred
- redhat.com /archives/fedora-package-announce/2008-October/msg00299.html · vendor-advisory, x_refsource_FEDORA, x_transferred
- exchange.xforce.ibmcloud.com /vulnerabilities/44688 · vdb-entry, x_refsource_XF, x_transferred
- securityreason.com /securityalert/4158 · third-party-advisory, x_refsource_SREASON, x_transferred
- secunia.com /advisories/35074 · third-party-advisory, x_refsource_SECUNIA, x_transferred
- support.avaya.com /elmodocs2/security/ASA-2008-424.htm · x_refsource_CONFIRM, x_transferred
- securitytracker.com /id?1021075 · vdb-entry, x_refsource_SECTRACK, x_transferred
- lists.apple.com /archives/security-announce/2009/May/msg00002.html · vendor-advisory, x_refsource_APPLE, x_transferred
- redhat.com /support/errata/RHSA-2008-0895.html · vendor-advisory, x_refsource_REDHAT, x_transferred
- redhat.com /support/errata/RHSA-2008-0897.html · vendor-advisory, x_refsource_REDHAT, x_transferred
- secunia.com /advisories/33398 · third-party-advisory, x_refsource_SECUNIA, x_transferred
- secunia.com /advisories/32219 · third-party-advisory, x_refsource_SECUNIA, x_transferred
- exploit-db.com /exploits/6239 · exploit, x_refsource_EXPLOIT-DB, x_transferred
- us-cert.gov /cas/techalerts/TA09-133A.html · third-party-advisory, x_refsource_CERT, x_transferred
- vupen.com /english/advisories/2009/1297 · vdb-entry, x_refsource_VUPEN, x_transferred
- usn.ubuntu.com /691-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
- oval.cisecurity.org /repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9570 · vdb-entry, signature, x_refsource_OVAL, x_transferred
- secunia.com /advisories/32371 · third-party-advisory, x_refsource_SECUNIA, x_transferred
- secunia.com /advisories/32165 · third-party-advisory, x_refsource_SECUNIA, x_transferred
- secunia.com /advisories/32372 · third-party-advisory, x_refsource_SECUNIA, x_transferred
- redhat.com /archives/fedora-package-announce/2008-October/msg00259.html · vendor-advisory, x_refsource_FEDORA, x_transferred
Sources
- CVE List: CVE-2008-3443
- NVD: CVE-2008-3443
vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.