GHSA-96g2-7cqx-5gghMediumCVSS 5.9
The client side in OpenSSH 5.7 through 8.3 has an Observable Discrepancy leading to an...
🔗 CVE IDs covered (1)
📋 Description
The client side in OpenSSH 5.7 through 8.3 has an Observable Discrepancy leading to an information leak in the algorithm negotiation. This allows man-in-the-middle attackers to target initial connection attempts (where no host key for the server has been cached by the client).
🔗 References (11)
- https://nvd.nist.gov/vuln/detail/CVE-2020-14145
- https://anongit.mindrot.org/openssh.git/commit/?id=b3855ff053f5078ec3d3c653cdaedefaa5fc362d
- https://docs.ssh-mitm.at/CVE-2020-14145.html
- https://github.com/openssh/openssh-portable/compare/V_8_3_P1...V_8_4_P1
- https://github.com/ssh-mitm/ssh-mitm/blob/master/ssh_proxy_server/plugins/session/cve202014145.py
- https://security.gentoo.org/glsa/202105-35
- http://www.openwall.com/lists/oss-security/2020/12/02/1
- https://security.netapp.com/advisory/ntap-20200709-0004
- https://www.fzi.de/en/news/news/detail-en/artikel/fsa-2020-2-ausnutzung-eines-informationslecks-fuer-gezielte-mitm-angriffe-auf-ssh-clients
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
- https://github.com/advisories/GHSA-96g2-7cqx-5ggh