CVE-2011-4327
published 2014-02-03CVE-2011-4327: ssh-keysign.c in ssh-keysign in OpenSSH before 5.8p2 on certain platforms executes ssh-rand-helper with unintended open file descriptors, which allows local…
PriorityP420medium5.5CVSS 3.1
AVLACLPRLUINSUCHINAN
EPSS
0.42%
33.3th percentile
ssh-keysign.c in ssh-keysign in OpenSSH before 5.8p2 on certain platforms executes ssh-rand-helper with unintended open file descriptors, which allows local users to obtain sensitive key information via the ptrace system call.
Affected
81 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | openssh | — | — |
| openbsd | openssh | <= 5.8 | — |
| openbsd | openssh | — | — |
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CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
nvdv2.02.1LOWAV:L/AC:L/Au:N/C:P/I:N/A:N
vendor_debian2.1LOW
vendor_redhat2.1LOW
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VulDB
OpenBSD OpenSSH up to 3.x File Descriptors ssh-keysign.c information disclosure (Bug 755640 / Nessus ID 53841)
vuldb·2026-05-29·CVSS 5.5
CVE-2011-4327 [MEDIUM] OpenBSD OpenSSH up to 3.x File Descriptors ssh-keysign.c information disclosure (Bug 755640 / Nessus ID 53841)
A vulnerability categorized as problematic has been discovered in OpenBSD OpenSSH up to 3.x. This impacts an unknown function of the file ssh-keysign.c of the component File Descriptors. Such manipulation leads to information disclosure.
This vulnerability is traded as CVE-2011-4327. An attack has to be approached locally. There is no exploit available.
It is advisable to upgrade the affected component.
GHSA
GHSA-9998-pmcc-vpg5: ssh-keysign
ghsa_unreviewed·2022-05-17
CVE-2011-4327 [LOW] CWE-200 GHSA-9998-pmcc-vpg5: ssh-keysign
ssh-keysign.c in ssh-keysign in OpenSSH before 5.8p2 on certain platforms executes ssh-rand-helper with unintended open file descriptors, which allows local users to obtain sensitive key information via the ptrace system call.
Red Hat
openssh: Unauthorized local access to host keys on platforms where ssh-rand-helper used
vendor_redhat·2011-05-05·CVSS 2.1
CVE-2011-4327 [LOW] openssh: Unauthorized local access to host keys on platforms where ssh-rand-helper used
openssh: Unauthorized local access to host keys on platforms where ssh-rand-helper used
ssh-keysign.c in ssh-keysign in OpenSSH before 5.8p2 on certain platforms executes ssh-rand-helper with unintended open file descriptors, which allows local users to obtain sensitive key information via the ptrace system call.
Statement: Not vulnerable. This issue did not affect the versions of openssh as shipped with Red Hat Enterprise Linux 4, 5, and 6, as they use a built-in entropy pool to generate and retrieve entropy information when performing host-based authentication.
Package: openssh (Red Hat Enterprise Linux 4) - Not affected
Package: openssh (Red Hat Enterprise Linux 5) - Not affected
Package: openssh (Red Hat Enterprise Linux 6) - Not affected
Debian
CVE-2011-4327: openssh - ssh-keysign.c in ssh-keysign in OpenSSH before 5.8p2 on certain platforms execut...
vendor_debian·2011·CVSS 2.1
CVE-2011-4327 [LOW] CVE-2011-4327: openssh - ssh-keysign.c in ssh-keysign in OpenSSH before 5.8p2 on certain platforms execut...
ssh-keysign.c in ssh-keysign in OpenSSH before 5.8p2 on certain platforms executes ssh-rand-helper with unintended open file descriptors, which allows local users to obtain sensitive key information via the ptrace system call.
Scope: local
bookworm: resolved
bullseye: resolved
forky: resolved
sid: resolved
trixie: resolved
No detection rules found.
No public exploits indexed.
2014-02-03
Published