Medium severity · published Oct 18, 2018
CVE-2018-18456
The function Object::isName() in Object.h (called from Gfx::opSetFillColorN) in Xpdf 4.00 allows remote attackers to cause a denial of service (stack-based buffer over-read) via a…
5.5
CVSS
1.3%
EPSS
No
On KEV
Description
The function Object::isName() in Object.h (called from Gfx::opSetFillColorN) in Xpdf 4.00 allows remote attackers to cause a denial of service (stack-based buffer over-read) via a crafted pdf file, as demonstrated by pdftoppm.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XP
Xpdf · Xpdfreader
4.00 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-18456
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-18456
Third Party Advisory
https://forum.xpdfreader.com/viewtopic.php?f=3&t=41217
Third Party Advisory
https://github.com/TeamSeri0us/pocs/tree/master/xpdf/2018_10_16/pdftoppm
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