Resource exhaustion in Signal
CVE-2018-16132
The image rendering component (createGenericPreview) of the Open Whisper Signal app through 2.29.0 for iOS fails to check for unreasonably large images before manipulating received images. This allows for a large image sent to a user to exhaust all available memory when the image is displayed, resulting in a forced restart of the device.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.011 (61.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Signal
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Mailing List, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-16132?
- CVE-2018-16132 is a high-severity vulnerability in Signal, classified under Uncontrolled Resource Consumption. CVSS score: 8.6/10. Published 2018-08-29.
- How severe is CVE-2018-16132?
- High severity. CVSS v3 base score is 8.6 out of 10.