6.5med

CVE-2018-20097

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

Also known as PYSEC-2018-118

Published 7 y ago · modified 4 mo ago · JSON

CVSS
6.5
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
2.3%
percentile 83%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

2.29% probability of exploitation in the next 30 days, higher than 83% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.16.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD2.04.3AV:N/AC:M/Au:N/C:N/I:N/A:P
OSV3.16.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected packages

EcosystemPackageAffectedFixed in
pypiexiv2
all versions
no fix listed

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

  • lists.debian.org /debian-lts-announce/2019/02/msg00038.html · mailing-list, x_transferred
  • github.com /Exiv2/exiv2/issues/590 · x_transferred
  • github.com /TeamSeri0us/pocs/tree/master/exiv2/20181206 · x_transferred
  • lists.fedoraproject.org /archives/list/package-announce%40lists.fedoraproject.org/message/ZXCEKTYF7HLM6VH2WCWO2HXT · vendor-advisory, x_transferred
  • access.redhat.com /errata/RHSA-2019:2101 · vendor-advisory, x_transferred
  • lists.debian.org /debian-lts-announce/2023/01/msg00004.html · mailing-list, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.