PT-2018-7148 · Qemu+1 · Qemu+1

Vladimir Sementsov-Ogievskiy · Published 2017-04-25 · Updated 2024-06-15 · CVE-2017-2630

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: QEMU versions prior to 2.9

Description: A stack buffer overflow issue was found in QEMU when built with NBD client support. This issue could occur while processing a server's response to a 'NBD OPT LIST' request. A malicious NBD server could potentially use this issue to crash a remote NBD client, resulting in a denial of service, or execute arbitrary code on the client host with the privileges of the QEMU process.

Recommendations: For QEMU versions prior to 2.9, update to version 2.9 or later to resolve the issue. As a temporary workaround, consider disabling the NBD client support until a patch is available. Restrict access to untrusted NBD servers to minimize the risk of exploitation.

Fix

DoS

Buffer Overflow

Stack Overflow

Weakness Enumeration

CWE-119

CWE-121

Related Identifiers

ALT-PU-2017-1521

CVE-2017-2630

OPENSUSE-SU-2024:11287-1

RHSA-2017:2392

Affected Products

Alt Linux

Qemu

References · 151

• https://security-tracker.debian.org/tracker/CVE-2017-2630 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2018-4289.html · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:11287-1 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2018-4285.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-2630 · Vendor Advisory
• https://lists.gnu.org/archive/html/qemu-devel/2017-02/msg01246.html · Patch
• https://linux.oracle.com/errata/ELSA-2018-4262.html · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-2630 · Vendor Advisory
• http://openwall.com/lists/oss-security/2017/02/15/2 · Patch
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2630 · Patch
• https://security.gentoo.org/glsa/201704-01 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2017:2392 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-2630 · Security Note
• https://github.com/qemu/qemu/commit/2563c9c6b8670400c48e562034b321a7cf3d9a85 · Note
• https://suse.com/security/cve/CVE-2021-20203 · Note