PT-2021-8985 · Nbdkit · Nbdkit

Published 2021-03-18 · Updated 2021-03-25 · CVE-2019-14851

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions nbdkit versions 1.12.7, 1.14.1, and 1.15.1

Description A denial of service issue was discovered. A client issuing a certain sequence of commands could possibly trigger an assertion failure, causing nbdkit to exit.

Recommendations For version 1.12.7, update to a version that fixes the issue. For version 1.14.1, update to a version that fixes the issue. For version 1.15.1, update to a version that fixes the issue. As a temporary workaround, consider restricting access to nbdkit to minimize the risk of exploitation.

Fix

Assertion Failure

Weakness Enumeration

CWE-617

Related Identifiers

CVE-2019-14851

Affected Products

Nbdkit

References · 13

• https://security-tracker.debian.org/tracker/CVE-2019-14851 · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1757259 · Patch
• https://osv.dev/vulnerability/CVE-2019-14851 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-14851 · Vendor Advisory
• https://redhat.com/archives/libguestfs/2019-September/msg00272.html · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-14851 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-14851 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-14851 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-14851 · Security Note
• https://github.com/libguestfs/nbdkit/commit/a6b88b195a959b17524d1c8353fd425d4891dc5f · Note
• https://github.com/libguestfs/nbdkit/commit/b2bc6683ea3cd1f6be694e8a681dfa411b7d15f3 · Note
• https://github.com/libguestfs/nbdkit/commit/bf0d61883a2f02f4388ec10dc92d4c61c093679e · Note
• https://t.me/cibsecurity/25151 · Telegram Post