PT-2023-23271 · Illumos · Illumos

Dan Mcdonald · Published 2023-05-04 · Updated 2024-09-13 · CVE-2023-31284

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 illumos illumos-gate versions before 676abcb

Description The issue is a stack buffer overflow in /dev/net, which can lead to privilege escalation. This can be achieved via a stat on a long file name in /dev/net.

Recommendations For versions before 676abcb, update to a version after 676abcb to resolve the issue. As a temporary workaround, consider restricting access to /dev/net to minimize the risk of exploitation.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2023-31284

Affected Products

Illumos

References · 10

• https://osv.dev/vulnerability/CVE-2023-31284 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-31284 · Security Note
• https://github.com/illumos/illumos-gate/tree/16b76d3cb933ff92018a2a75594449010192eacb · Note
• https://t.me/cvenotify/94548 · Telegram Post
• http://openwall.com/lists/oss-security/2023/09/14/4 · Note
• http://openwall.com/lists/oss-security/2023/09/13/5 · Note
• https://t.me/cvenotify/55339 · Telegram Post
• http://openwall.com/lists/oss-security/2023/09/13/4 · Note
• https://illumos.topicbox.com/groups/developer/T13ef186a53edeb5c-M821cc18b5884e04e16daa8fd/cve-2023-31284-buffer-overflow-in-dev-net · Note
• https://t.me/cibsecurity/63326 · Telegram Post