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CVE-2020-18771

Good to know:

Date: August 22, 2021

Exiv2 0.27.99.0 has a global buffer over-read in Exiv2::Internal::Nikon1MakerNote::print0x0088 in nikonmn_int.cpp which can result in an information leak.

Language: C++

Severity Score

8.1

Related Resources (9)

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-18771

Url: https://access.redhat.com/security/cve/CVE-2020-18771

Url: https://cwe.mitre.org/data/definitions/126.html

Url: https://security-tracker.debian.org/tracker/CVE-2020-18771

Url: https://security.gentoo.org/glsa/202312-06

Url: https://lists.debian.org/debian-lts-announce/2023/01/msg00004.html

Url: https://github.com/Exiv2/exiv2/issues/756

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2020-18771

Url: https://www.mend.io/vulnerability-database/CVE-2020-18771

Severity Score

8.1

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Top Fix

Upgrade Version

Upgrade to version 0.27.1

CVSS v3.1

Base Score:	8.1
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	5.8
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	NONE
Availability (A):	PARTIAL
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