CVE & CISA-KEV Catalog

CVE-2023-41910

CRITICAL
9.8
CVSS v3
NVD

Description

An issue was discovered in lldpd before 1.0.17. By crafting a CDP PDU packet with specific CDP_TLV_ADDRESSES TLVs, a malicious actor can remotely force the lldpd daemon to perform an out-of-bounds read on heap memory. This occurs in cdp_decode in daemon/protocols/cdp.c.

How to fix

Remediation Available
lldpdDebian
Fixed in:1.0.11-1+deb11u2CVE-2023-41910
Fixed in:1.0.16-1+deb12u1CVE-2023-41910
Fixed in:1.0.17-1CVE-2023-41910
Fixed in:1.0.17-1CVE-2023-41910
lldpdRocky
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
lldpdRed Hat / RHEL
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
lldpd-debuginfoRed Hat / RHEL
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
lldpd-debuginfoRocky
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
lldpd-debugsourceRocky
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
lldpd-debugsourceRed Hat / RHEL
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
lldpd-develRed Hat / RHEL
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
lldpd-develRocky
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158
Fixed in:0:1.0.18-4.el9RHSA-2024:9158

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.95%probability of exploitation in 30 days
57thpercentile

Moderate risk: more likely to be exploited than 57% of all known CVEs.

References

Release Notes1

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2014-0160High7.5100%KEVFix
CVE-2025-5777High7.5100%KEV + RansomFix
CVE-2021-4034High7.895%KEVFix
CVE-2023-21769High7.592%-Fix
CVE-2023-49285High8.689%-Fix
CVE-2020-8794Critical9.889%-Fix
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.