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Veracode Vulnerability DatabaseVERACODE:11967HistoryJan 15, 2019 - 9:10 a.m.
Weak Diffie-Hellman Handshake Due To Truncated Secret Length
2019-01-1509:10:29
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
6
0.005 Low
EPSS
Percentile
77.6%
libssh2 is vulnerable to weak handshakes. The vulnerability happens because diffie_hellman_sha256 function in kex.c in libssh2 generates secret key of length 128 or 256 bits instead of 1023 or 2047 bits, allowing the attackers to intercept or decrypt SSH sessions using bits/bytes confusion bug.
| CPE | Name | Operator | Version |
|---|---|---|---|
| libssh2 | eq | 1.2.2__11.el6_3 | |
| libssh2 | eq | 1.4.2__1.el6 | |
| libssh2 | eq | 1.2.2__7.el6 | |
| libssh2 | eq | 1.4.2__1.el6_6.1 | |
| libssh2 | eq | 1.2.2__7.el6_2.3 | |
| libssh2 | eq | 1.2.2__7.el6_1.1 |
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