CVE-2011-1004: ruby-lang ruby

Modified

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

Vulnerability summary

CVE-2011-1004 is a medium (CVSS 6.3) vulnerability in ruby-lang ruby. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 32.6% of scored vulnerabilities.

Priority

Routine

Not severe (CVSS 6.3, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?

CVSS score

6.3/10

010

Medium · v2.0 (NVD)

EPSS score

0.39%

0%100%

Low · 0.00 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2

RHSA-2011:0909 RHSA-2011:0910

Timeline

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

Description

The FileUtils.remove_entry_secure method in Ruby 1.8.6 through 1.8.6-420, 1.8.7 through 1.8.7-330, 1.8.8dev, 1.9.1 through 1.9.1-430, 1.9.2 through 1.9.2-136, and 1.9.3dev allows local users to delete arbitrary files via a symlink attack.

CVSS metrics

1 score · 1 source · 1 version

v2.06.3

EPSS trend

Probability

0.39%

Chance of exploitation in the next 30 days

Percentile

33%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.39% 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

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

CWE-59Improper Link Resolution Before File AccessThe product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

Affected systems

Version check

Known conditions: local access, no authentication (CVSS vector). Other conditions: not stated in public data.

Ruby-lang1 product

ruby1.8.6 | 1.8.7 | 1.8.8:dev | 1.9.1 | 1.9.2 | 1.9.3:dev

1 vendor · 1 product

References

16 links

www.redhat.com/support/errata/RHSA-2011-0910.htmlVendor AdvisoryX Refsource REDHAT
www.securityfocus.com/bid/46460VDB EntryX Refsource BID
www.openwall.com/lists/oss-security/2011/02/21/5Mailing ListX Refsource MLISTPatch
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=678913X Refsource CONFIRMPatch
secunia.com/advisories/43573Third Party AdvisoryX Refsource SECUNIA
www.openwall.com/lists/oss-security/2011/02/21/2Mailing ListX Refsource MLISTPatch
osvdb.org/70958VDB EntryX Refsource OSVDB
lists.fedoraproject.org/pipermail/package-announce/2011-March/054422.htmlVendor AdvisoryX Refsource FEDORA

Show all 16 references

lists.fedoraproject.org/pipermail/package-announce/2011-March/054436.htmlVendor AdvisoryX Refsource FEDORA
secunia.com/advisories/43434Third Party AdvisoryX Refsource SECUNIAVendor Advisory
www.ruby-lang.org/en/news/2011/02/18/fileutils-is-vulnerable-to-symlink-race-attacks/X Refsource CONFIRMPatchVendor Advisory
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