CVE Vulnerability

CVE-2018-20096

There is a heap-based buffer over-read in the Exiv2::tEXtToDataBuf function of pngimage.cpp in Exiv2 0.27-RC3. A crafted input will lead to a remote denial of service attack.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206 Exploit Third Party Advisory
https://github.com/Exiv2/exiv2/issues/590 Issue Tracking Exploit
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZXCEKTYF7HLM6VH2WCWO2HXTJH37MBLA/
https://access.redhat.com/errata/RHSA-2019:2101
Configurations

Configuration 1

cpe:2.3:a:exiv2:exiv2:0.27:rc3:*:*:*:*:*:*
Information

Published : 2018-12-12 10:29

Updated : 2019-10-03 12:03

NVD link : CVE-2018-20096

Mitre link : CVE-2018-20096

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read