CVE-2017-11103 describes a critical vulnerability in Heimdal Kerberos, affecting products like Apple, Debian, FreeBSD, and Samba. This flaw, dubbed "Orpheus' Lyre," allows remote attackers to impersonate services by exploiting a deviation from the Kerberos 5 protocol specification in how service-principal names are obtained. With a CVSS score of 8.1 (HIGH), this vulnerability has a network attack vector and high impact on confidentiality, integrity, and availability, despite a high attack complexity. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion and media coverage, indicating its importance.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 7.4.0CPE matchmatch criteria | cpe:2.3:a:heimdal_project:heimdal:*:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:-:*:*:*:*:*:*:* | ||
>= 4.0.0, < 4.4.15CPE matchmatch criteria | cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* | ||
>= 4.5.0, < 4.5.12CPE matchmatch criteria | cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* | ||
>= 4.6.0, < 4.6.6CPE matchmatch criteria | cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.