Vulnerability Details : CVE-2018-18459
The function DCTStream::getBlock in Stream.cc in Xpdf 4.00 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted pdf file, as demonstrated by pdftoppm.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2018-18459
- cpe:2.3:a:xpdfreader:xpdf:4.00:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-18459
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 28 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-18459
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
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-2018-18459
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-18459
-
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
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