PT-2023-22653 · Libcoap+1 · Libcoap+1

Mrdeep1 · Published 2023-06-23 · Updated 2023-09-28 · CVE-2023-30362

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions libcoap library versions 4.3.1-103-g52cfd56 through 4.3.1-119

Description The issue is related to a Buffer Overflow vulnerability in the coap send function. This vulnerability allows attackers to obtain sensitive information via a malformed pdu.

Recommendations For libcoap library versions 4.3.1-103-g52cfd56 through 4.3.1-119, update to version 4.3.1-120-ge242200 to resolve the issue. As a temporary workaround, consider restricting the use of the coap send function until a patch is available.

Exploit

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2023-30362

OESA-2023-1701

OESA-2023-1702

Affected Products

Debian

Libcoap

References · 14

• 🔥 https://github.com/obgm/libcoap/issues/1063 · Exploit
• https://github.com/obgm/libcoap/pull/1065 · Patch
• https://osv.dev/vulnerability/OESA-2023-1702 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-30362 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-30362 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-30362 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-30362 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-30362 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-30362 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2023-1701 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-30362 · Vendor Advisory
• https://t.me/cibsecurity/65456 · Telegram Post
• https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1702 · Note
• https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1701 · Note