CVE-2018-20097: There is a SEGV in Exiv2::Internal::TiffParserWorker::findPrimaryGroups of tiffimage_int.cpp in Exiv2 0.27-RC3

Medium severity · published Dec 12, 2018

CVE-2018-20097

There is a SEGV in Exiv2::Internal::TiffParserWorker::findPrimaryGroups of tiffimage_int.cpp in Exiv2 0.27-RC3

6.5

CVSS

2.3%

EPSS

On KEV

Description

There is a SEGV in Exiv2::Internal::TiffParserWorker::findPrimaryGroups of tiffimage_int.cpp in Exiv2 0.27-RC3. A crafted input will lead to a remote denial of service attack.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

Required

Confidentiality

None

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)2.3% · higher than 83% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Debian Linux · Debian

8.0; 10.0 · source: NVD

Enterprise Linux Dekstop · Redhat

7.0 · source: NVD

Enterprise Linux Server · Redhat

7.0 · source: NVD

Enterprise Linux Workstation · Redhat

7.0 · source: NVD

Exiv2 · Exiv2

0.27 · source: NVD

Fedora · Fedoraproject

30 · source: NVD

Affected product

Debian Linux

Debian

All Debian Linux CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2018-20097

CVE.org

https://www.cve.org/CVERecord?id=CVE-2018-20097

Third Party Advisory

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

Exploit

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

Exploit

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

Mailing List

https://lists.debian.org/debian-lts-announce/2019/02/msg00038.html

Mailing List

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

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZXCEKTYF7HLM6VH2WCWO2HXTJH37MBLA/