Vulnerability in SSH Secure Shell
CVE-1999-1085
SSH 1.2.25, 1.2.23, and other versions, when used in in CBC (Cipher Block Chaining) or CFB (Cipher Feedback 64 bits) modes, allows remote attackers to insert arbitrary data into an existing stream between an SSH client and server by using a known plaintext attack and computing a valid CRC-32 checksum for the packet, aka the "SSH insertion attack."
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.035 (88.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.032 · newest: 0.035 · change: +0.003
Affected products
- SSH Secure Shell — versions 1.2.23, 1.2.25
References
- marc.info/ (mailing-list)
- www.iss.net/security_center/static/1126.php (vdb-entry)
- www.kb.cert.org/vuls/id/13877 (US Government Resource, third-party-advisory)
- marc.info/ (mailing-list)