Vulnerability Details : CVE-2017-18185
An issue was discovered in QPDF before 7.0.0. There is a large heap-based out-of-bounds read in the Pl_Buffer::write function in Pl_Buffer.cc. It is caused by an integer overflow in the PNG filter.
Vulnerability category: Overflow
Products affected by CVE-2017-18185
- cpe:2.3:a:qpdf_project:qpdf:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-18185
0.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 34 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-18185
| 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-2017-18185
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-18185
-
https://github.com/qpdf/qpdf/issues/150
heap out of bounds read (large) in Pl_Buffer::write · Issue #150 · qpdf/qpdf · GitHubIssue Tracking;Third Party Advisory
-
https://github.com/qpdf/qpdf/commit/ec7d74a386c0b2f38990079c3b0d2a2b30be0e71
Add test case for overflow in PNG filter (fixes #150) · qpdf/qpdf@ec7d74a · GitHubPatch;Third Party Advisory
-
https://usn.ubuntu.com/3638-1/
USN-3638-1: QPDF vulnerabilities | Ubuntu security notices
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