CVE-2014-8132
published 2014-12-29CVE-2014-8132: Double free vulnerability in the ssh_packet_kexinit function in kex.c in libssh 0.5.x and 0.6.x before 0.6.4 allows remote attackers to cause a denial of…
PriorityP427medium5CVSS 2.0
AVNACLAuNCNINAP
EPSS
5.15%
92.4th percentile
Double free vulnerability in the ssh_packet_kexinit function in kex.c in libssh 0.5.x and 0.6.x before 0.6.4 allows remote attackers to cause a denial of service via a crafted kexinit packet.
Affected
25 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | libssh | < libssh 0.6.3-4 (bookworm) | libssh 0.6.3-4 (bookworm) |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| libssh | libssh | — | — |
| libssh | libssh | — | — |
| libssh | libssh | — | — |
| libssh | libssh | — | — |
| libssh | libssh | — | — |
| libssh | libssh | — | — |
| libssh | libssh | — | — |
| libssh | libssh | — | — |
| libssh | libssh | — | — |
| libssh | libssh | >= 0 < 0.6.3-4 | 0.6.3-4 |
| libssh | libssh | >= 0 < 0.6.3-4 | 0.6.3-4 |
| libssh | libssh | >= 0 < 0.6.3-4 | 0.6.3-4 |
| libssh | libssh | >= 0 < 0.6.3-4 | 0.6.3-4 |
| opensuse | opensuse | — | — |
| opensuse | opensuse | — | — |
| opensuse | opensuse | — | — |
CVSS provenance
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
osv5.0MEDIUM
vendor_debian5.0MEDIUM
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GHSA
GHSA-82h4-v777-3pj8: Double free vulnerability in the ssh_packet_kexinit function in kex
ghsa_unreviewed·2022-05-14
CVE-2014-8132 [MEDIUM] GHSA-82h4-v777-3pj8: Double free vulnerability in the ssh_packet_kexinit function in kex
Double free vulnerability in the ssh_packet_kexinit function in kex.c in libssh 0.5.x and 0.6.x before 0.6.4 allows remote attackers to cause a denial of service via a crafted kexinit packet.
OSV
CVE-2014-8132: Double free vulnerability in the ssh_packet_kexinit function in kex
osv·2014-12-29·CVSS 5.0
CVE-2014-8132 [MEDIUM] CVE-2014-8132: Double free vulnerability in the ssh_packet_kexinit function in kex
Double free vulnerability in the ssh_packet_kexinit function in kex.c in libssh 0.5.x and 0.6.x before 0.6.4 allows remote attackers to cause a denial of service via a crafted kexinit packet.
Ubuntu
libssh vulnerability
vendor_ubuntu·2015-01-19
CVE-2014-8132 libssh vulnerability
Title: libssh vulnerability
Summary: libssh could be made to crash if it received specially crafted network
traffic.
It was discovered that libssh incorrectly handled certain kexinit packets.
A remote attacker could possibly use this issue to cause libssh to crash,
resulting in a denial of service.
Instructions: In general, a standard system update will make all the necessary changes.
Debian
CVE-2014-8132: libssh - Double free vulnerability in the ssh_packet_kexinit function in kex.c in libssh ...
vendor_debian·2014·CVSS 5.0
CVE-2014-8132 [MEDIUM] CVE-2014-8132: libssh - Double free vulnerability in the ssh_packet_kexinit function in kex.c in libssh ...
Double free vulnerability in the ssh_packet_kexinit function in kex.c in libssh 0.5.x and 0.6.x before 0.6.4 allows remote attackers to cause a denial of service via a crafted kexinit packet.
Scope: local
bookworm: resolved (fixed in 0.6.3-4)
bullseye: resolved (fixed in 0.6.3-4)
forky: resolved (fixed in 0.6.3-4)
sid: resolved (fixed in 0.6.3-4)
trixie: resolved (fixed in 0.6.3-4)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2014-8132 libssh: Possible double free on a dangling pointer with crafted kexinit packet [fedora-all]
bugzilla·2014-12-19·CVSS 5.0
CVE-2014-8132 [MEDIUM] CVE-2014-8132 libssh: Possible double free on a dangling pointer with crafted kexinit packet [fedora-all]
CVE-2014-8132 libssh: Possible double free on a dangling pointer with crafted kexinit packet [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects mul
Bugzilla
CVE-2014-8132 libssh: Possible double free on a dangling pointer with crafted kexinit packet [epel-all]
bugzilla·2014-12-19·CVSS 5.0
CVE-2014-8132 [MEDIUM] CVE-2014-8132 libssh: Possible double free on a dangling pointer with crafted kexinit packet [epel-all]
CVE-2014-8132 libssh: Possible double free on a dangling pointer with crafted kexinit packet [epel-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora EPEL.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects
Bugzilla
CVE-2014-8132 libssh: Possible double free on a dangling pointer with crafted kexinit packet
bugzilla·2014-10-28·CVSS 5.0
CVE-2014-8132 [MEDIUM] CVE-2014-8132 libssh: Possible double free on a dangling pointer with crafted kexinit packet
CVE-2014-8132 libssh: Possible double free on a dangling pointer with crafted kexinit packet
Description of problem:
Maybe it is possible to send a malicious kexinit package to eventually cause a server to a double-free.
I guess this is only a DoS.
Source code:
http://git.libssh.org/projects/libssh.git/
Patch:
From f6b9f851b962e3a587f3f99b7cb97d130f0c77b9 Mon Sep 17 00:00:00 2001
From: Jon Simons
Date: Sat, 18 Oct 2014 23:23:26 -0700
Subject: [PATCH] kex: fixup error path in ssh_packet_kexinit
Before this change, dangling pointers can be unintentionally left in
the respective next_crypto kex methods slots. Ensure to set all slots
to NULL in the error-out path.
Signed-off-by: Jon Simons
---
src/kex.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/src/kex.c b/src/kex.c
ind
http://advisories.mageia.org/MGASA-2015-0014.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2015-January/147367.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2015-January/147452.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2015-January/147464.htmlhttp://lists.opensuse.org/opensuse-updates/2015-01/msg00007.htmlhttp://secunia.com/advisories/60838http://www.debian.org/security/2016/dsa-3488http://www.libssh.org/2014/12/19/libssh-0-6-4-security-and-bugfix-release/http://www.mandriva.com/security/advisories?name=MDVSA-2015:020http://www.ubuntu.com/usn/USN-2478-1https://bugzilla.redhat.com/show_bug.cgi?id=1158089https://security.gentoo.org/glsa/201606-12http://advisories.mageia.org/MGASA-2015-0014.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2015-January/147367.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2015-January/147452.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2015-January/147464.htmlhttp://lists.opensuse.org/opensuse-updates/2015-01/msg00007.htmlhttp://secunia.com/advisories/60838http://www.debian.org/security/2016/dsa-3488http://www.libssh.org/2014/12/19/libssh-0-6-4-security-and-bugfix-release/http://www.mandriva.com/security/advisories?name=MDVSA-2015:020http://www.ubuntu.com/usn/USN-2478-1https://bugzilla.redhat.com/show_bug.cgi?id=1158089https://security.gentoo.org/glsa/201606-12
2014-12-29
Published