CVE-2015-3146
7.5
HIGH
CVSS 3.1
EPSS 2.4%
Description
The (1) SSH_MSG_NEWKEYS and (2) SSH_MSG_KEXDH_REPLY packet handlers in package_cb.c in libssh before 0.6.5 do not properly validate state, which allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted SSH packet.
How to fix CVE-2015-3146
To remediate CVE-2015-3146, upgrade the affected package to a fixed version below.
- Debian/libssh—upgrade to 0.6.3-4.2 or later
Is CVE-2015-3146 being exploited?
Low — EPSS is 2.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 0.6.3-4.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |