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    CVE-2014-0017

    The RAND_bytes function in libssh before 0.6.3, when forking is enabled, does not properly reset the state of the OpenSSL pseudo-random number generator (PRNG), which causes the state to be shared between children processes and allows local users to obtain sensitive information by leveraging a pid collision.

    Published:Mar 4, 2014
    Last Modified:Apr 12, 2025
    EPS:Mar 14, 2014
    EPSS Score:0.00084
    CVSS Score:1.9

    Affected Products

    Vendor
    Libssh
    Product
    Libssh

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-59851 (CVSS 8.8) — A flaw was found in libssh. On servers with GSSAPIKeyExchange enabled, the gssapi-keyex path does not verify w…
    CVE-2026-59850 (CVSS 4.3) — A flaw was found in libssh. If data packets are processed after a channel is closed, channel data callbacks ca…
    CVE-2026-59849 (CVSS 3.1) — A flaw was found in libssh. Logic errors in automatic certificate-based public key authentication can cause li…
    CVE-2026-59848 (CVSS 5.3) — A flaw was found in libssh. A malicious SFTP server can send responses for unknown request IDs that libssh cli…
    CVE-2026-59847 (CVSS 5.9) — A flaw was found in libssh. Incorrect AES-GCM finalization checks in builds using the OpenSSL backend can effe…
    CVE-2026-59846 (CVSS 3.9) — A flaw was found in libssh. A malicious username expanded through %r in ProxyCommand handling can inject shell…
    CVE-2026-59845 (CVSS 5.3) — A flaw was found in libssh. When ProxyCommand is used, an unchecked fork() failure can be stored as process ID…
    CVE-2026-59844 (CVSS 6.5) — A flaw was found in libssh. A remote authenticated client can issue SSH_FXP_READ requests with an arbitrarily …
    CVE-2026-59843 (CVSS 6.5) — A flaw was found in libssh. A remote authenticated peer can advertise a zero maximum packet size in SSH_MSG_CH…
    CVE-2026-59842 (CVSS 3.7) — A flaw was found in libssh. During server-side GSSAPI key exchange, a client-supplied Curve25519 public key sh…

    References

    http://lists.opensuse.org/opensuse-updates/2014-03/msg00036.html
    http://lists.opensuse.org/opensuse-updates/2014-03/msg00040.html
    http://secunia.com/advisories/57407
    http://www.debian.org/security/2014/dsa-2879
    http://www.libssh.org/2014/03/04/libssh-0-6-3-security-release/
    http://www.openwall.com/lists/oss-security/2014/03/05/1
    http://www.ubuntu.com/usn/USN-2145-1
    https://bugzilla.redhat.com/show_bug.cgi?id=1072191
    http://lists.opensuse.org/opensuse-updates/2014-03/msg00036.html
    http://lists.opensuse.org/opensuse-updates/2014-03/msg00040.html
    http://secunia.com/advisories/57407
    http://www.debian.org/security/2014/dsa-2879
    http://www.libssh.org/2014/03/04/libssh-0-6-3-security-release/
    http://www.openwall.com/lists/oss-security/2014/03/05/1
    http://www.ubuntu.com/usn/USN-2145-1
    https://bugzilla.redhat.com/show_bug.cgi?id=1072191

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High