PT-2023-11618 · Redoxos · Redoxos

Boqin Qin · Published 2023-05-03 · Updated 2025-01-30 · CVE-2020-22429

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 redox-os version 0.1.0

Description The issue is related to a use-after-free bug in the gethostbyaddr() function, located at /src/header/netdb/mod.rs.

Recommendations For redox-os version 0.1.0, consider restricting access to the gethostbyaddr() function until a patch is available. As a temporary workaround, avoid using the gethostbyaddr() function to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2020-22429

Affected Products

Redoxos

References · 8

• 🔥 https://gitlab.redox-os.org/redox-os/relibc/issues/159 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-22429 · Security Note
• https://osv.dev/vulnerability/CVE-2020-22429 · Vendor Advisory
• https://burtonqin.github.io/posts/2023/04/CVE-2020-22429 · Note
• https://t.me/cibsecurity/63257 · Telegram Post
• https://t.me/cvenotify/50112 · Telegram Post
• https://t.me/cvenotify/49751 · Telegram Post
• https://t.me/cvenotify/109244 · Telegram Post