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CVE-2021-3482

Good to know:

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Date: April 8, 2021

A flaw was found in Exiv2 in versions before and including 0.27.4-RC1. Improper input validation of the rawData.size property in Jp2Image::readMetadata() in jp2image.cpp can lead to a heap-based buffer overflow via a crafted JPG image containing malicious EXIF data.

Language: C++

Severity Score

Related Resources (15)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P2A5GMJEXQ5Q76JK6F6VKK5JYCLVFGKN/
https://nvd.nist.gov/vuln/detail/CVE-2021-3482
https://security-tracker.debian.org/tracker/CVE-2021-3482
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2XQT5F5IINTDYDAFGVGQZ7PMMLG7I5ZZ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2XQT5F5IINTDYDAFGVGQZ7PMMLG7I5ZZ/
https://lists.debian.org/debian-lts-announce/2021/08/msg00028.html
https://security.alpinelinux.org/vuln/CVE-2021-3482
https://github.com/Exiv2/exiv2/commit/05ec05342e17dc94670db1818447c06d0da8f41a
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P2A5GMJEXQ5Q76JK6F6VKK5JYCLVFGKN/
https://access.redhat.com/security/cve/CVE-2021-3482
https://security.archlinux.org/CVE-2021-3482
https://www.debian.org/security/2021/dsa-4958
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-3482
https://bugzilla.redhat.com/show_bug.cgi?id=1946314
https://www.mend.io/vulnerability-database/CVE-2021-3482

Severity Score

Weakness Type (CWE)

Buffer Errors

CWE-119

Input Validation

CWE-20

Out-of-bounds Write

CWE-787

Top Fix

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CVSS v3.1

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

CVSS v2

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

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