Unrated severityNVD Advisory· Published Jun 12, 1998· Updated Jun 16, 2026
CVE-1999-1085
CVE-1999-1085
Description
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."
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Affected products
2cpe:2.3:a:ssh:secure_shell:1.2.23:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:ssh:secure_shell:1.2.23:*:*:*:*:*:*:*
- cpe:2.3:a:ssh:secure_shell:1.2.25:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
4- www.kb.cert.org/vuls/id/13877nvdUS Government Resource
- marc.infonvd
- marc.infonvd
- www.iss.net/security_center/static/1126.phpnvd
News mentions
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