Vulnerability Monitor

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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.

Published

2018-12-12T10:29:00.677

Last Modified

2024-11-21T04:00:51.957

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 6.5 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-125

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	exiv2	exiv2	0.27	Yes

References

https://access.redhat.com/errata/RHSA-2019:2101 ([email protected])
https://github.com/Exiv2/exiv2/issues/590 Exploit, Issue Tracking, Patch, Third Party Advisory ([email protected])
https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206 Exploit, Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZXCEKTYF7HLM6VH2WCWO2HXTJH37MBLA/ ([email protected])
https://access.redhat.com/errata/RHSA-2019:2101 (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/Exiv2/exiv2/issues/590 Exploit, Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZXCEKTYF7HLM6VH2WCWO2HXTJH37MBLA/ (af854a3a-2127-422b-91ae-364da2661108)