fkie_cve-2016-0787
Vulnerability from fkie_nvd
Published
2016-04-13 17:59
Modified
2025-04-12 10:46
Severity ?
5.9 (Medium) - CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
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."
References
secalert@redhat.comhttp://lists.fedoraproject.org/pipermail/package-announce/2016-February/177980.html
secalert@redhat.comhttp://lists.fedoraproject.org/pipermail/package-announce/2016-March/178573.html
secalert@redhat.comhttp://lists.opensuse.org/opensuse-updates/2016-03/msg00008.html
secalert@redhat.comhttp://www.debian.org/security/2016/dsa-3487
secalert@redhat.comhttp://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
secalert@redhat.comhttp://www.securityfocus.com/bid/82514
secalert@redhat.comhttps://bto.bluecoat.com/security-advisory/sa120
secalert@redhat.comhttps://kc.mcafee.com/corporate/index?page=content&id=SB10156
secalert@redhat.comhttps://puppet.com/security/cve/CVE-2016-0787
secalert@redhat.comhttps://security.gentoo.org/glsa/201606-12Third Party Advisory
secalert@redhat.comhttps://www.libssh2.org/CVE-2016-0787.patchPatch
secalert@redhat.comhttps://www.libssh2.org/adv_20160223.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177980.html
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178573.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2016-03/msg00008.html
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2016/dsa-3487
af854a3a-2127-422b-91ae-364da2661108http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/82514
af854a3a-2127-422b-91ae-364da2661108https://bto.bluecoat.com/security-advisory/sa120
af854a3a-2127-422b-91ae-364da2661108https://kc.mcafee.com/corporate/index?page=content&id=SB10156
af854a3a-2127-422b-91ae-364da2661108https://puppet.com/security/cve/CVE-2016-0787
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201606-12Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.libssh2.org/CVE-2016-0787.patchPatch
af854a3a-2127-422b-91ae-364da2661108https://www.libssh2.org/adv_20160223.htmlVendor Advisory
Impacted products
Vendor Product Version
fedoraproject fedora 22
fedoraproject fedora 23
opensuse opensuse 13.2
libssh2 libssh2 *
debian debian_linux 7.0
debian debian_linux 8.0


To clipboard 

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   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "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.\"",
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   id: "CVE-2016-0787",
   lastModified: "2025-04-12T10:46:40.837",
   metrics: {
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            baseSeverity: "MEDIUM",
            cvssData: {
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               accessVector: "NETWORK",
               authentication: "NONE",
               availabilityImpact: "NONE",
               baseScore: 4.3,
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               integrityImpact: "NONE",
               vectorString: "AV:N/AC:M/Au:N/C:P/I:N/A:N",
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   published: "2016-04-13T17:59:10.930",
   references: [
      {
         source: "secalert@redhat.com",
         url: "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177980.html",
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   sourceIdentifier: "secalert@redhat.com",
   vulnStatus: "Deferred",
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}


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