CVE-2011-1005: ruby-lang ruby

Modified

Published 02-03-2011Last modified 06-08-2024

Vulnerability summary

CVE-2011-1005 is a medium (CVSS 5.0) vulnerability in ruby-lang ruby. EPSS estimates a 2.77% chance of exploitation in the next 30 days, higher than 86.3% of scored vulnerabilities. 1 public exploit is recorded.

Priority

Routine

Not severe (CVSS 5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?

CVSS score

5.0/10

010

Medium · v2.0 (NVD)

EPSS score

2.77%

0%100%

Low · 0.00 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 3

RHSA-2011:0908 RHSA-2011:0909 RHSA-2011:0910

Timeline

02-03-2011
PublishedVulnerability first disclosed.
06-08-2024
Last modifiedVulnerability information updated.

Description

The safe-level feature in Ruby 1.8.6 through 1.8.6-420, 1.8.7 through 1.8.7-330, and 1.8.8dev allows context-dependent attackers to modify strings via the Exception#to_s method, as demonstrated by changing an intended pathname.

CVSS metrics

1 score · 1 source · 1 version

v2.05.0

EPSS trend

Probability

2.77%

Chance of exploitation in the next 30 days

Percentile

86%

Versus all other CVEs

30-day change

No change 0.00 pp

From 2.77% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found

referenceUnverified
Exploit Reference (ruby-lang.org)
Maturity: unknown

Weaknesses

CWE · root cause

CWE-264Permissions, Privileges, and Access ControlsWeaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.

Affected systems

Version check

Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Ruby-lang1 product

ruby1.8.6 | 1.8.6-420 | 1.8.7 | 1.8.7-330 | 1.8.8:dev

1 vendor · 1 product

References

18 links

www.redhat.com/support/errata/RHSA-2011-0910.htmlVendor AdvisoryX Refsource REDHAT
www.openwall.com/lists/oss-security/2011/02/21/5Mailing ListX Refsource MLISTPatch
www.mandriva.com/security/advisories?name=MDVSA-2011:098Vendor AdvisoryX Refsource MANDRIVA
www.vupen.com/english/advisories/2011/0539VDB EntryX Refsource VUPEN
www.redhat.com/support/errata/RHSA-2011-0909.htmlVendor AdvisoryX Refsource REDHAT
bugzilla.redhat.com/show_bug.cgi?id=678920X Refsource CONFIRMPatch
secunia.com/advisories/43573Third Party AdvisoryX Refsource SECUNIA
www.openwall.com/lists/oss-security/2011/02/21/2Mailing ListX Refsource MLISTPatch
www.redhat.com/support/errata/RHSA-2011-0908.htmlVendor AdvisoryX Refsource REDHAT
osvdb.org/70957VDB EntryX Refsource OSVDB

Show all 18 references

lists.fedoraproject.org/pipermail/package-announce/2011-March/054422.htmlVendor AdvisoryX Refsource FEDORA
lists.fedoraproject.org/pipermail/package-announce/2011-March/054436.htmlVendor AdvisoryX Refsource FEDORA
www.securityfocus.com/bid/46458VDB EntryX Refsource BID
support.apple.com/kb/HT5281X Refsource CONFIRM
www.mandriva.com/security/advisories?name=MDVSA-2011:097Vendor AdvisoryX Refsource MANDRIVA
lists.apple.com/archives/security-announce/2012/May/msg00001.htmlVendor AdvisoryX Refsource APPLE
secunia.com/advisories/43420Third Party AdvisoryX Refsource SECUNIA
www.ruby-lang.org/en/news/2011/02/18/exception-methods-can-bypass-safe/X Refsource CONFIRMExploitPatchVendor Advisory