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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*", "matchCriteriaId": "B5D52975-3CB0-4BF7-975F-66EF9BF42A06", "versionEndIncluding": "7.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "authfile.c in sshd in OpenSSH before 7.4 does not properly consider the effects of realloc on buffer contents, which might allow local users to obtain sensitive private-key information by leveraging access to a privilege-separated child process."}, {"lang": "es", "value": "authfile.c en sshd en OpenSSH en versiones anteriores a 7.4 no considera apropiadamente los efectos de realloc en el contenido de b\u00fafer, lo que podr\u00eda permitir a usuarios locales obtener informaci\u00f3n sensible de clave privada aprovechando el acceso 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{"affected_release": [{"advisory": "RHSA-2017:2029", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "openssh-0:7.4p1-11.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2017-08-01T00:00:00Z"}], "bugzilla": {"description": "openssh: Leak of host private key material to privilege-separated child process via realloc()", "id": "1406286", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1406286"}, "csaw": false, "cvss": {"cvss_base_score": "1.0", "cvss_scoring_vector": "AV:L/AC:H/Au:S/C:P/I:N/A:N", "status": "verified"}, "cvss3": {"cvss3_base_score": "2.5", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N", "status": "verified"}, "cwe": "CWE-200", "details": ["authfile.c in sshd in OpenSSH before 7.4 does not properly consider the effects of realloc on buffer contents, which might allow local users to obtain sensitive private-key information by leveraging access to a privilege-separated child process.", "It was found that the host private key material could possibly leak to the privilege-separated child processes via re-allocated memory. An attacker able to compromise the privilege-separated process could therefore obtain the leaked key information."], "name": "CVE-2016-10011", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Will not fix", "package_name": "openssh", "product_name": "Red Hat Enterprise Linux 4"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "openssh", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Fix deferred", "package_name": "openssh", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2016-12-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-10011\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-10011\nhttps://www.openssh.com/txt/release-7.4"], "statement": "It seems that this flaw is not practically exploitable, the leak of host private key material to the privilege-separated child processes is theoretical. No such leak was observed in practice for normal-sized keys, nor does a leak to the child processes directly expose key material to unprivileged users. Because of the this restriction for successful exploitation, this issue has been rated as having Low security impact. A future update may address this flaw.", "threat_severity": "Low"}

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