Bug#1059393: openssh: CVE-2023-51767
Salvatore Bonaccorso <[email protected]>
| Newsgroups | gmane.linux.debian.devel.ssh |
|---|---|
| Message-ID | <170342355990.3582010.6052187184833968520.reportbug__13440.7037797914$1703423730$gmane$org@eldamar.lan> |
Source: openssh Version: 1:9.6p1-2 Severity: important Tags: security upstream X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]> Hi Colin, The following vulnerability was published for openssh. This is for now just to track the issue as pointed out by a current paper. Apparently openssh and sudo got CVEs assigned for their respective issues. CVE-2023-51767[0]: | OpenSSH through 9.6, when common types of DRAM are used, might allow | row hammer attacks (for authentication bypass) because the integer | value of authenticated in mm_answer_authpassword does not resist | flips of a single bit. NOTE: this is applicable to a certain threat | model of attacker-victim co-location in which the attacker has user | privileges. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2023-51767 https://www.cve.org/CVERecord?id=CVE-2023-51767 [1] https://arxiv.org/abs/2309.02545 Please adjust the affected versions in the BTS as needed. Regards, Salvatore