{ "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2016-20012", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "** DISPUTED ** OpenSSH through 8.7 allows remote attackers, who have a suspicion that a certain combination of username and public key is known to an SSH server, to test whether this suspicion is correct. This occurs because a challenge is sent only when that combination could be valid for a login session. NOTE: the vendor does not recognize user enumeration as a vulnerability for this product." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "url": "https://github.com/openssh/openssh-portable/pull/270", "refsource": "MISC", "name": "https://github.com/openssh/openssh-portable/pull/270" }, { "url": "https://github.com/openssh/openssh-portable/blob/d0fffc88c8fe90c1815c6f4097bc8cbcabc0f3dd/auth2-pubkey.c#L261-L265", "refsource": "MISC", "name": "https://github.com/openssh/openssh-portable/blob/d0fffc88c8fe90c1815c6f4097bc8cbcabc0f3dd/auth2-pubkey.c#L261-L265" }, { "url": "https://utcc.utoronto.ca/~cks/space/blog/tech/SSHKeysAreInfoLeak", "refsource": "MISC", "name": "https://utcc.utoronto.ca/~cks/space/blog/tech/SSHKeysAreInfoLeak" }, { "url": "https://rushter.com/blog/public-ssh-keys/", "refsource": "MISC", "name": "https://rushter.com/blog/public-ssh-keys/" }, { "refsource": "CONFIRM", "name": "https://security.netapp.com/advisory/ntap-20211014-0005/", "url": "https://security.netapp.com/advisory/ntap-20211014-0005/" }, { "refsource": "MISC", "name": "https://github.com/openssh/openssh-portable/pull/270#issuecomment-920577097", "url": "https://github.com/openssh/openssh-portable/pull/270#issuecomment-920577097" }, { "refsource": "MISC", "name": "https://www.openwall.com/lists/oss-security/2018/08/24/1", "url": "https://www.openwall.com/lists/oss-security/2018/08/24/1" }, { "refsource": "MISC", "name": "https://github.com/openssh/openssh-portable/pull/270#issuecomment-943909185", "url": "https://github.com/openssh/openssh-portable/pull/270#issuecomment-943909185" } ] } }