CVE-2014-4975 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Ruby

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory BufferCWE-193 — Off-by-one ErrorCWE-121 — Stack-based Buffer Overflow9 documents7 sources
Severity
5.0MEDIUMNVD
EPSS
3.4%
top 12.48%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Ruby-lang RubyCanonical Ubuntu LinuxDebian Linux+4 more
Timeline
PublishedNov 15
Latest updateMay 17

Description

Off-by-one error in the encodes function in pack.c in Ruby 1.9.3 and earlier, and 2.x through 2.1.2, when using certain format string specifiers, allows context-dependent attackers to cause a denial of service (segmentation fault) via vectors that trigger a stack-based buffer overflow.

CVSS vector

AV:N/AC:L/C:P/I:N/A:NExploitability: 10.0 | Impact: 2.9

Affected Packages5 packages

▶NVDruby-lang/ruby1.9.3+5

Also affects: Debian Linux 7.0, 8.0, Ubuntu Linux 12.04, 14.04, 14.10

🔴Vulnerability Details

4
GHSA
GHSA-gxj7-mcpg-jpr6: Off-by-one error in the encodes function in pack↗2022-05-17
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CVEList
CVE-2014-4975: Off-by-one error in the encodes function in pack↗2014-11-15
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OSV
ruby1.8, ruby1.9.1, ruby2.0, ruby2.1 vulnerabilities↗2014-11-04
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OSV
CVE-2014-4975: Off-by-one error in the encodes function in pack↗2014-07-17
▶

📋Vendor Advisories

2
Ubuntu
Ruby vulnerabilities↗2014-11-04
▶
Red Hat
ruby: off-by-one stack-based buffer overflow in the encodes() function↗2014-07-09
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💬Community

2
Bugzilla
CVE-2014-4975 ruby: off-by-one stack-based buffer overflow in the encodes() function [fedora-all]↗2014-07-17
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Bugzilla
CVE-2014-4975 ruby: off-by-one stack-based buffer overflow in the encodes() function↗2014-07-10
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CVE-2014-4975 — Ruby-lang Ruby vulnerability | cvebase