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alpinelinuxAlpine Linux Development TeamALPINE:CVE-2024-7264
HistoryJul 31, 2024 - 8:15 a.m.

CVE-2024-7264

2024-07-3108:15:02
Alpine Linux Development Team
security.alpinelinux.org
5
libcurl
asn1
parser

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.7

Confidence

Low

EPSS

0.001

Percentile

23.6%

libcurl’s ASN1 parser code has the GTime2str() function, used for parsing an
ASN.1 Generalized Time field. If given an syntactically incorrect field, the
parser might end up using -1 for the length of the time fraction, leading to
a strlen() getting performed on a pointer to a heap buffer area that is not
(purposely) null terminated.

This flaw most likely leads to a crash, but can also lead to heap contents
getting returned to the application when
CURLINFO_CERTINFO is used.

OSVersionArchitecturePackageVersionFilename
Alpine3.17-mainnoarchcurl= 8.9.0-r0UNKNOWN
Alpineedge-mainnoarchcurl< 8.9.1-r0UNKNOWN
Alpine3.20-mainnoarchcurl< 8.9.1-r0UNKNOWN

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.7

Confidence

Low

EPSS

0.001

Percentile

23.6%