CVE-2012-3410

Home/CVE/Stack-based buffer overflow in lib/sh/eaccess.c in GNU Bash before 4.2 patch 33 might allow local users to bypass intend

CVE

Stack-based buffer overflow in lib/sh/eaccess.c in GNU Bash before 4.2 patch 33 might allow local users to bypass intend

Stack-based buffer overflow in lib/sh/eaccess.c in GNU Bash before 4.2 patch 33 might allow local users to bypass intended restricted shell access via a long filename in /dev/fd, which is not properly handled when expanding the /dev/fd prefix.

MEDIUM · CVSS 4.6 EPSS 0.00083

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules4 YARA rules0

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Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer

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Affected Products & Versions

gnu bashall versions

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Sigma Hunt Rules

Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.

productmediumInteractive Bash Suspicious Children

productmediumIndirect Command Execution From Script File Via Bash.EXE

productmediumIndirect Inline Command Execution Via Bash.EXE

productlowBash Interactive Shell

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Scoring & Timeline

4.6

MEDIUM · CVSS v2 (legacy) · secalert@redhat.com

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

Published to NVD27 Aug 2012 · 11:55 PM

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

ftp://ftp.gnu.org/pub/gnu/bash/bash-4.2-patches/bash42-033Patch

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=681278Patch

http://secunia.com/advisories/51086

http://security.gentoo.org/glsa/glsa-201210-05.xml

http://www.mandriva.com/security/advisories?name=MDVSA-2012:128

http://www.openwall.com/lists/oss-security/2012/07/11/11

Show all 11 references

http://www.openwall.com/lists/oss-security/2012/07/11/22

http://www.openwall.com/lists/oss-security/2012/07/12/4

http://www.securityfocus.com/bid/54937

https://exchange.xforce.ibmcloud.com/vulnerabilities/77551

https://hermes.opensuse.org/messages/15227834

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