5

CVE-2012-4522: ruby-lang ruby

Modified
Published 24-11-2012Last modified 06-08-2024

Vulnerability summary

CVE-2012-4522 is a medium (CVSS 5.0) vulnerability in ruby-lang ruby. EPSS estimates a 2.20% chance of exploitation in the next 30 days, higher than 82.5% of scored vulnerabilities.

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
2.20%
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 3
DLA-235-1RHSA-2013:0129RHSA-2013:0582

Timeline

  1. 24-11-2012
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The rb_get_path_check function in file.c in Ruby 1.9.3 before patchlevel 286 and Ruby 2.0.0 before r37163 allows context-dependent attackers to create files in unexpected locations or with unexpected names via a NUL byte in a file path.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

2.20%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

No change 0.00 pp

From 2.20% 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

Affected systems

Version check

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

Ruby-lang1 product
  • rubyEOL1.9.3 | 2.0.0

1 vendor · 1 product

References

8 links