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CVE-2016-0787

Description

The diffie_hellman_sha256 function in kex.c in libssh2 before 1.7.0 improperly truncates secrets to 128 or 256 bits, which makes it easier for man-in-the-middle attackers to decrypt or intercept SSH sessions via unspecified vectors, aka a bits/bytes confusion bug.

Risk Information

Base Score
5.9
MODERATE
Vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score
Exploitation Probability
4.065

Associated Vulnerability

VulnerabilityOS Platform
SUSE-SU-2016:0718-1(SUSE Linux Enterprise Desktop 12-SP1 ) libssh2-1-1.4.3-16.1.x86_64.rpmLinux
SUSE-SU-2016:0718-1(SUSE Linux Enterprise Desktop 12-SP1 ) libssh2-1-32bit-1.4.3-16.1.x86_64.rpmLinux
SUSE-SU-2016:0718-1(SUSE Linux Enterprise Desktop 12-SP1 ) libssh2-1-debuginfo-1.4.3-16.1.x86_64.rpmLinux
SUSE-SU-2016:0718-1(SUSE Linux Enterprise Desktop 12-SP1 ) libssh2-1-debuginfo-32bit-1.4.3-16.1.x86_64.rpmLinux
SUSE-SU-2016:0718-1(SUSE Linux Enterprise Desktop 12-SP1 ) libssh2_org-debugsource-1.4.3-16.1.x86_64.rpmLinux
SUSE-SU-2016:0723-1(SUSE Linux Enterprise Desktop 11-SP4 ) libssh2-1-1.2.9-4.2.6.1.x86_64.rpmLinux
Libssh2 update (ELSA-2019-1652) libssh2-1.4.2-3.0.1.el6_10.1.x86_64.rpmLinux
Libssh2-devel update (ELSA-2019-1652) libssh2-devel-1.4.2-3.0.1.el6_10.1.x86_64.rpmLinux
Libssh2-docs update (ELSA-2019-1652) libssh2-docs-1.4.2-3.0.1.el6_10.1.x86_64.rpmLinux
Libssh2 update (ELSA-2019-1652) libssh2-1.4.2-3.0.1.el6_10.1.i686.rpmLinux
Libssh2-devel update (ELSA-2019-1652) libssh2-devel-1.4.2-3.0.1.el6_10.1.i686.rpmLinux
Libssh2-docs update (ELSA-2019-1652) libssh2-docs-1.4.2-3.0.1.el6_10.1.i686.rpmLinux
Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2016-0787)NCM

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234