PT-2020-9762 · Freebsd · Freebsd

Maxime Villard · Published 2020-04-21 · Updated 2022-04-26 · CVE-2019-15874

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions FreeBSD versions 12.1-STABLE before r356035 FreeBSD versions 12.1-RELEASE before 12.1-RELEASE-p4 FreeBSD versions 11.3-STABLE before r356036 FreeBSD versions 11.3-RELEASE before 11.3-RELEASE-p8

Description The issue is caused by incomplete packet data validation, which may result in memory access after it has been freed. This can lead to a kernel panic or other unpredictable results.

Recommendations For FreeBSD versions 12.1-STABLE before r356035, update to a version after r356035. For FreeBSD versions 12.1-RELEASE before 12.1-RELEASE-p4, update to 12.1-RELEASE-p4 or later. For FreeBSD versions 11.3-STABLE before r356036, update to a version after r356036. For FreeBSD versions 11.3-RELEASE before 11.3-RELEASE-p8, update to 11.3-RELEASE-p8 or later.

Fix

Use After Free

RCE

Weakness Enumeration

CWE-416

CWE-20

Related Identifiers

CVE-2019-15874

FREEBSD-SA-20_10

Affected Products

Freebsd

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2019-15874 · Security Note
• https://security.freebsd.org/advisories/FreeBSD-SA-20:10.ipfw.asc · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-15874 · Vendor Advisory
• https://t.me/cvenotify/29340 · Telegram Post
• https://security.netapp.com/advisory/ntap-20200511-0002 · Note
• https://freebsd.org/security/advisories/FreeBSD-SA-20:10.ipfw.asc · Note
• https://t.me/cvenotify/3365 · Telegram Post
• https://t.me/tmfeed/82549 · Telegram Post