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alpinelinuxAlpine Linux Development TeamALPINE:CVE-2021-43612
HistoryApr 15, 2023 - 10:15 p.m.

CVE-2021-43612

2023-04-1522:15:07
Alpine Linux Development Team
security.alpinelinux.org
23
lldpd
sonmp packets
out-of-bounds
heap read
vulnerability
unix

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.4 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

66.3%

In lldpd before 1.0.13, when decoding SONMP packets in the sonmp_decode function, it’s possible to trigger an out-of-bounds heap read via short SONMP packets.

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.4 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

66.3%