High severity · published Feb 12, 2018
CVE-2017-17723
In Exiv2 0.26, there is a heap-based buffer over-read in the Exiv2::Image::byteSwap4 function in image.cpp
8.1
CVSS
1.8%
EPSS
No
On KEV
Description
In Exiv2 0.26, there is a heap-based buffer over-read in the Exiv2::Image::byteSwap4 function in image.cpp. Remote attackers can exploit this vulnerability to disclose memory data or cause a denial of service via a crafted TIFF file.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EX
Exiv2 · Exiv2
0.26 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-17723
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-17723
Exploit
https://bugzilla.redhat.com/show_bug.cgi?id=1524104
security.gentoo.org
https://security.gentoo.org/glsa/201811-14
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