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veracodeVeracode Vulnerability DatabaseVERACODE:43833
HistoryOct 16, 2023 - 8:15 a.m.

Denial Of Service (DoS)

2023-10-1608:15:52
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
3
microsoft quic
vulnerability
crypto_tls.c
memory leak
denial of service
attacker
instances
decode

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

6.9 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

27.5%

Microsoft QUIC is vulnerable to Denial of Service (DOS). The vulnerability is due to a memory leak in the QuicCryptoTlsReadExtensions function in crypto_tls.c, which results in Denial of Service. An attacker can create multiple instances are present or multiple calls to the decode happen.

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

6.9 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

27.5%