CVE-2021-3345

_gcry_md_block_write in cipher/hash-common.c in Libgcrypt version 1.9.0 has a heap-based buffer overflow when the digest final function sets a large count value. It is recommended to upgrade to 1.9.1 or later.

CVSS v3.0 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=512c0c75276949f13b6373b5c04f7065af750b08	Mailing List Patch Third Party Advisory
https://lists.gnupg.org/pipermail/gnupg-announce/2021q1/000456.html	Mailing List Patch Vendor Advisory
https://gnupg.org	Vendor Advisory
https://lists.gnupg.org/pipermail/gnupg-announce/2021q1/000455.html	Mailing List Vendor Advisory
https://bugs.gentoo.org/show_bug.cgi?id=767814	Issue Tracking Vendor Advisory
https://www.oracle.com//security-alerts/cpujul2021.html	Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:gnupg:libgcrypt:1.9.0:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:oracle:communications_billing_and_revenue_management:12.0.0.3.0:*:*:*:*:*:*:*

Information

Published : 2021-01-29 07:15

Updated : 2022-04-26 09:08

NVD link : CVE-2021-3345

Mitre link : CVE-2021-3345

JSON object : View

CWE

CWE-787

Out-of-bounds Write

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Products Affected

oracle

communications_billing_and_revenue_management

gnupg

libgcrypt

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