Vulnerability Details : CVE-2017-18235
Potential exploit
An issue was discovered in Exempi before 2.4.3. The VPXChunk class in XMPFiles/source/FormatSupport/WEBP_Support.cpp does not ensure nonzero widths and heights, which allows remote attackers to cause a denial of service (assertion failure and application exit) via a crafted .webp file.
Vulnerability category: Input validationDenial of service
Products affected by CVE-2017-18235
- cpe:2.3:a:exempi_project:exempi:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-18235
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 48 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-18235
| 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-2017-18235
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-18235
-
https://bugs.freedesktop.org/show_bug.cgi?id=101913
101913 – Reachable assertion: WEBP::PutLE24(XMP_Uns8*, XMP_Uns32): Assertion `val < (1 << 24)' failed.Exploit;Issue Tracking;Third Party Advisory
-
https://cgit.freedesktop.org/exempi/commit/?id=9e76a7782a54a242f18d609e7ba32bf1c430a5e4
exempi - Exempi 2.0. XMP metadata handling library based on Adobe XMP reference implementation. (mirrored from https://gitlab.freedesktop.org/libopenraw/exempi)Patch
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