CVE-2013-0176 — Libssh vulnerability

CWE-3998 documents7 sources
Severity
4.3MEDIUMNVD
EPSS
1.0%
top 22.75%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Libssh
Timeline
PublishedFeb 5
Latest updateMay 5

Description

The publickey_from_privatekey function in libssh before 0.5.4, when no algorithm is matched during negotiations, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a "Client: Diffie-Hellman Key Exchange Init" packet.

CVSS vector

AV:N/AC:M/C:N/I:N/A:PExploitability: 8.6 | Impact: 2.9

Affected Packages2 packages

▶Debianlibssh/libssh< 0.5.4-1+3
▶NVDlibssh/libssh0.5.3+5

Patches

Patch: www.libssh.org ↗Patch: www.libssh.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-mwpj-rq8j-724c: The publickey_from_privatekey function in libssh before 0↗2022-05-05
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CVEList
CVE-2013-0176: The publickey_from_privatekey function in libssh before 0↗2013-02-05
▶
OSV
CVE-2013-0176: The publickey_from_privatekey function in libssh before 0↗2013-02-05
▶

📋Vendor Advisories

2
Ubuntu
libssh vulnerability↗2013-01-28
▶
Debian
CVE-2013-0176: libssh - The publickey_from_privatekey function in libssh before 0.5.4, when no algorithm...↗2013
▶

💬Community

2
Bugzilla
CVE-2013-0176 libssh: NULL dereference leads to denial of service [fedora-all]↗2013-01-22
▶
Bugzilla
CVE-2013-0176 libssh: NULL dereference leads to denial of service↗2013-01-11
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