Vulnerability Details : 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 crafted pdf file, as demonstrated by pdftoppm.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2018-18456
Probability of exploitation activity in the next 30 days: 0.08%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 34 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-18456
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST |
|
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2018-18456
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-18456
-
https://github.com/TeamSeri0us/pocs/tree/master/xpdf/2018_10_16/pdftoppm
pocs/xpdf/2018_10_16/pdftoppm at master · TeamSeri0us/pocs · GitHubThird Party Advisory
-
https://forum.xpdfreader.com/viewtopic.php?f=3&t=41217
some bugs in pdftoppm - forum.xpdfreader.comThird Party Advisory
Products affected by CVE-2018-18456
- cpe:2.3:a:xpdfreader:xpdf:4.00:*:*:*:*:*:*:*