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CVE-2018-20098

Good to know:

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Date: December 12, 2018

There is a heap-based buffer over-read in Exiv2::Jp2Image::encodeJp2Header of jp2image.cpp in Exiv2 0.27-RC3. A crafted input will lead to a remote denial of service attack.

Language: C++

Severity Score

Related Resources (7)

https://github.com/Exiv2/exiv2/issues/590
https://access.redhat.com/errata/RHSA-2019:2101
https://nvd.nist.gov/vuln/detail/CVE-2018-20098
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZXCEKTYF7HLM6VH2WCWO2HXTJH37MBLA/
https://access.redhat.com/security/cve/CVE-2018-20098
https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206
https://www.mend.io/vulnerability-database/CVE-2018-20098

Severity Score

Weakness Type (CWE)

Buffer Errors

CWE-119

Out-of-bounds Read

CWE-125

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): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

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

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