Is CVE-2008-2726 being actively exploited?

It is not currently in CISA's KEV catalog. Its EPSS exploitation probability is 4%.

What products does CVE-2008-2726 affect?

Tracked products affected include Ruby, Ubuntu. Check the version you run to see whether it is affected.

How do I fix CVE-2008-2726?

Apply the vendor fix promptly. Upgrade affected products to a fixed version.

CVE-2008-2726

Q: What is CVE-2008-2726?

CVE-2008-2726 is a high-severity software vulnerability (CWE-189) with a CVSS score of 7.8. Integer overflow in the (1) rb_ary_splice function in Ruby 1.8.4 and earlier, 1.8.5 before 1.8.5-p231, 1.8.6 before 1.8.6-p230, 1.8.7 before 1.8.7-p22, and 1.9.0 before 1.9.0-2; and (2) the rb_ary_replace function in 1.6.x allows context-de

HIGH severity · CVSS 7.8 · CWE-189

7.8CVSS HIGH

Summary

Integer overflow in the (1) rb_ary_splice function in Ruby 1.8.4 and earlier, 1.8.5 before 1.8.5-p231, 1.8.6 before 1.8.6-p230, 1.8.7 before 1.8.7-p22, and 1.9.0 before 1.9.0-2; and (2) the rb_ary_replace function in 1.6.x allows context-dependent attackers to trigger memory corruption, aka the "beg + rlen" issue. NOTE: as of 20080624, there has been inconsistent usage of multiple CVE identifiers related to Ruby. The CVE description should be regarded as authoritative, although it is likely to change.

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges required—

User interaction—

Confidentiality impactNone

Integrity impactNone

Availability impact—

Exploit probability (EPSS)4%

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

Affected products we track (2)

Ruby Ubuntu

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Additional information

NVD record
http://blog.phusion.nl/2008/06/23/ruby-186-p230187-broke-your-app-ruby-enterprise-edition-to-the-rescue/Advisory
http://lists.apple.com/archives/security-announce/2008//Jun/msg00002.htmlAdvisory
http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00006.htmlAdvisory
http://secunia.com/advisories/30802Advisory
http://secunia.com/advisories/30831Advisory
http://secunia.com/advisories/30867Advisory
http://secunia.com/advisories/30875Advisory
http://secunia.com/advisories/30894Advisory