CVE-2018-20098

MEDIUM

Description

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.

References

https://access.redhat.com/errata/RHSA-2019:2101

https://github.com/Exiv2/exiv2/issues/590

https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206

https://lists.fedoraproject.org/archives/list/[email protected]/message/ZXCEKTYF7HLM6VH2WCWO2HXTJH37MBLA/

Details

Source: MITRE

Published: 2018-12-12

Updated: 2019-10-03

Type: CWE-125

Risk Information

CVSS v2.0

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 2.8

Severity: MEDIUM