CVE-2023-25136
⚪ Do wiadomości
Podwójne zwolnienie pamięci w serwerze OpenSSH umożliwia zdalne wykonanie kodu.
CVSS
6.5
EPSS
88.3%
Exploit
poc
Vendor
netapp
Opis źródłowy (NVD)
OpenSSH server (sshd) 9.1 introduced a double-free vulnerability during options.kex_algorithms handling. This is fixed in OpenSSH 9.2. The double free can be leveraged, by an unauthenticated remote attacker in the default configuration, to jump to any location in the sshd address space. One third-party report states "remote code execution is theoretically possible."
exploit rce
Brak patcha
Źródła i daty
| Źródło | Wartość |
|---|---|
| NVD – CVSS | 6.5 |
| CISA KEV (aktywnie wykorzystywane) | Nie |
| FIRST EPSS (prawdopodobieństwo exploita) | 88.3% |
| Opublikowano (NVD) | 2023-02-03 06:15:09 UTC |
| Ostatnia modyfikacja (NVD) | 2026-05-28 18:16:28 UTC |
Referencje
- http://www.openwall.com/lists/oss-security/2023/02/13/1 (cve@mitre.org) [Mailing List, Third Party Advisory]
- http://www.openwall.com/lists/oss-security/2023/02/22/1 (cve@mitre.org) [Mailing List, Third Party Advisory]
- http://www.openwall.com/lists/oss-security/2023/02/22/2 (cve@mitre.org) [Mailing List, Third Party Advisory]
- http://www.openwall.com/lists/oss-security/2023/02/23/3 (cve@mitre.org) [Mailing List, Third Party Advisory]
- http://www.openwall.com/lists/oss-security/2023/03/06/1 (cve@mitre.org) [Mailing List, Third Party Advisory]
- http://www.openwall.com/lists/oss-security/2023/03/09/2 (cve@mitre.org) [Mailing List, Third Party Advisory]
- https://bugzilla.mindrot.org/show_bug.cgi?id=3522 (cve@mitre.org) [Exploit, Issue Tracking, Third Party Advisory]
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/017_sshd.patch.sig (cve@mitre.org) [Patch, Vendor Advisory]
- https://github.com/openssh/openssh-portable/commit/486c4dc3b83b4b67d663fb0fa62bc24138ec3946 (cve@mitre.org) [Patch, Third Party Advisory]
- https://jfrog.com/blog/openssh-pre-auth-double-free-cve-2023-25136-writeup-and-proof-of-concept/ (cve@mitre.org) [Exploit, Third Party Advisory]
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JGAUIXJ3TEKCRKVWFQ6GDAGQFTIIGQQP/ (cve@mitre.org)
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R7LKQDFZWKYHQ65TBSH2X2HJQ4V2THS3/ (cve@mitre.org)
- https://news.ycombinator.com/item?id=34711565 (cve@mitre.org) [Issue Tracking, Third Party Advisory]
- https://security.gentoo.org/glsa/202307-01 (cve@mitre.org) [Third Party Advisory]
- https://security.netapp.com/advisory/ntap-20230309-0003/ (cve@mitre.org) [Third Party Advisory]
- https://www.openwall.com/lists/oss-security/2023/02/02/2 (cve@mitre.org) [Exploit, Mailing List, Third Party Advisory]