4.3

CVE-2013-4363: ruby-lang ruby Cryptographic Issues

CVSS: 4.3v2.0MediumModified
AliasesDEBIAN-CVE-2013-4363GHSA-9qvm-2vhf-q649
Published 17-10-2013Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2013-4363 is a medium (CVSS 4.3) Cryptographic Issues vulnerability in ruby-lang ruby. EPSS estimates a 1.69% chance of exploitation in the next 30 days, higher than 76.6% of scored vulnerabilities.

Overall risk
18/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
1.69%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1
MGASA-2013-0297

Timeline

  1. 17-10-2013
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Algorithmic complexity vulnerability in Gem::Version::ANCHORED_VERSION_PATTERN in lib/rubygems/version.rb in RubyGems before 1.8.23.2, 1.8.24 through 1.8.26, 2.0.x before 2.0.10, and 2.1.x before 2.1.5, as used in Ruby 1.9.0 through 2.0.0p247, allows remote attackers to cause a denial of service (CPU consumption) via a crafted gem version that triggers a large amount of backtracking in a regular expression. NOTE: this issue is due to an incomplete fix for CVE-2013-4287.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.69%

Chance of exploitation in the next 30 days

Percentile

77%

Versus all other CVEs

30-day change

0.00 pp

From 1.69% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.69%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

RubyGems2 products
  • rubygems-update< 1.8.23.2 | ≥ 1.8.24, < 1.8.27 | ≥ 2.0.0, < 2.0.10 | ≥ 2.1.0, < 2.1.5
  • rubygems≤ 1.8.23 | 1.8.0 | 1.8.1 | 1.8.2 | 1.8.3 | 1.8.4 | 1.8.5 | 1.8.6 | 1.8.7 | 1.8.8 | 1.8.9 | 1.8.10 | 1.8.11 | 1.8.12 | 1.8.13 | 1.8.14 | 1.8.15 | 1.8.16 | 1.8.17 | 1.8.18 | 1.8.19 | 1.8.20 | 1.8.21 | 1.8.22 | 1.8.24 | 1.8.25 | 1.8.26 | 2.0.0 | 2.0.0:preview2 | 2.0.0:preview2.1 | 2.0.0:preview2.2 | 2.0.0:rc1 | 2.0.0:rc2 | 2.0.1 | 2.0.2 | 2.0.3 | 2.0.4 | 2.0.5 | 2.0.6 | 2.0.7 | 2.0.8 | 2.0.9 | 2.1.0 | 2.1.0:rc1 | 2.1.0:rc2 | 2.1.1 | 2.1.2 | 2.1.3 | 2.1.4
Debian1 product
  • rubygems< 3.2.0~rc.1-1
Ruby-lang1 product
  • rubyEOL1.9 | 1.9.1 | 1.9.2 | 1.9.3 | 1.9.3:p0 | 1.9.3:p125 | 1.9.3:p194 | 1.9.3:p286 | 1.9.3:p383 | 1.9.3:p385 | 1.9.3:p392 | 1.9.3:p426 | 1.9.3:p429 | 2.0 | 2.0.0 | 2.0.0:p0 | 2.0.0:p195 | 2.0.0:p247 | 2.0.0:preview1 | 2.0.0:preview2 | 2.0.0:rc1 | 2.0.0:rc2

3 vendors · 4 products

References

10 links