6.5med

CVE-2018-20098

There is a heap-based buffer over-read in Exiv2::Jp2Image::encodeJp2Header of jp2image.cpp in Exiv2 0.27-RC3.

Also known as PYSEC-2018-119

Published 7 y ago · modified 4 mo ago · JSON

CVSS
6.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.6%
percentile 85%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

2.57% probability of exploitation in the next 30 days, higher than 85% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.06.5CVSS:3.0/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
OSV3.06.5CVSS:3.0/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

References

  • github.com /Exiv2/exiv2/issues/590 · x_refsource_MISC, x_transferred
  • github.com /TeamSeri0us/pocs/tree/master/exiv2/20181206 · x_refsource_MISC, x_transferred
  • lists.fedoraproject.org /archives/list/package-announce%40lists.fedoraproject.org/message/ZXCEKTYF7HLM6VH2WCWO2HXT · vendor-advisory, x_refsource_FEDORA, x_transferred
  • access.redhat.com /errata/RHSA-2019:2101 · vendor-advisory, x_refsource_REDHAT, 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.