PT-2020-9766 · Freebsd · Freebsd

Published 2020-05-12 · Updated 2020-05-18 · CVE-2019-15878

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 FreeBSD versions 11.3-RELEASE before p9 FreeBSD versions 11.3-STABLE before r352509 FreeBSD versions 12.1-STABLE before r352509

Description An unprivileged local user can trigger a use-after-free situation due to improper checking in SCTP when an application tries to update an SCTP-AUTH shared key. This issue arises from the lack of proper checking in the SCTP protocol, specifically in the handling of shared keys for SCTP-AUTH.

Recommendations For FreeBSD versions 11.3-RELEASE before p9, update to p9 or later. For FreeBSD versions 11.3-STABLE before r352509, update to r352509 or later. For FreeBSD versions 12.1-STABLE before r352509, update to r352509 or later.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2019-15878

FREEBSD-SA-20_14

Affected Products

Freebsd

References · 7

• https://osv.dev/vulnerability/CVE-2019-15878 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-15878 · Security Note
• https://security.freebsd.org/advisories/FreeBSD-SA-20:14.sctp.asc · Vendor Advisory
• https://freebsd.org/security/advisories/FreeBSD-SA-20:14.sctp.asc · Note
• https://security.netapp.com/advisory/ntap-20200518-0007 · Note
• https://t.me/cvenotify/3741 · Telegram Post
• https://t.me/cibsecurity/12045 · Telegram Post