PT-2019-15864 · Openbsd · Openbsd

Published 2019-12-04 · Updated 2021-07-21 · CVE-2019-19519

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions OpenBSD version 6.6

Description A logic error in the main function in su/su.c allows local users to achieve any login class, often excluding root, by using the su -L option.

Recommendations For OpenBSD version 6.6, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2019-19519

Affected Products

Openbsd

References · 10

• 🔥 https://openwall.com/lists/oss-security/2019/12/04/5 · Exploit
• 🔥 https://seclists.org/bugtraq/2019/Dec/8 · Exploit
• 🔥 http://openwall.com/lists/oss-security/2019/12/04/5 · Exploit
• https://osv.dev/vulnerability/CVE-2019-19519 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-19519 · Security Note
• https://openbsd.org/errata66.html · Vendor Advisory
• https://github.com/openbsd/src/blob/2dfc98f42e117c7605b52b5020b630d98601dc22/usr.bin/su/su.c#L210-L211 · Note
• https://t.me/thehackernews/550 · Telegram Post
• http://seclists.org/fulldisclosure/2019/Dec/14 · Note
• http://packetstormsecurity.com/files/155572/Qualys-Security-Advisory-OpenBSD-Authentication-Bypass-Privilege-Escalation.html · Note