An issue was discovered in Exempi through 2.4.4. XMPFiles/source/FormatSupport/WEBP_Support.cpp does not check whether a bitstream has a NULL value, leading to a NULL pointer dereference in the WEBP::VP8XChunk class.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2018-7731 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue did not affect the versions of Exempi as shipped with Red Hat Enterprise Linux 6 and 7 as they did not include support for WebP file format.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
CVSS3 Base Score | 3.3 |
---|---|
CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
Attack Vector | Local |
Attack Complexity | Low |
Privileges Required | Low |
User Interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity Impact | None |
Availability Impact | Low |
Platform | Package | State |
---|---|---|
Red Hat Enterprise Linux 7 | exempi | Not affected |
Red Hat Enterprise Linux 6 | exempi | Not affected |