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CVE-2017-17725

Published: 12 February 2018

In Exiv2 0.26, there is an integer overflow leading to a heap-based buffer over-read in the Exiv2::getULong function in types.cpp. Remote attackers can exploit the vulnerability to cause a denial of service via a crafted image file. Note that this vulnerability is different from CVE-2017-14864, which is an invalid memory address dereference.

Notes

AuthorNote
mdeslaur
introduced by https://github.com/Exiv2/exiv2/commit/699e1c744e50782e3ed7411cc6ac28260aa169c0

Priority

Low

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
exiv2
Launchpad, Ubuntu, Debian
upstream Needs triage

trusty Does not exist
(trusty was not-affected [code not present])
xenial Not vulnerable
(code not present)
artful Not vulnerable
(code not present)
bionic Not vulnerable
(code not present)

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H