VulnerabilityModified
CVE-2021-41396
A huge number of incoming socket connections in a short time invokes the error-handling module, in which a heap-based buffer overflow happens.
HIGH 7.5EPSS 1.33%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.33%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Live555 through 1.08 does not handle socket connections properly. A huge number of incoming socket connections in a short time invokes the error-handling module, in which a heap-based buffer overflow happens. An attacker can leverage this to launch a DoS attack.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.33% probability · 70th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- live555/live555
- Source
- cve@mitre.org
References
- http://lists.live555.com/pipermail/live-devel/2021-September/021994.htmlExploit, Mailing List, Vendor Advisory
- http://www.live555.com/liveMedia/public/changelog.txtRelease Notes, Vendor Advisory
- http://lists.live555.com/pipermail/live-devel/2021-September/021994.htmlExploit, Mailing List, Vendor Advisory
- http://www.live555.com/liveMedia/public/changelog.txtRelease Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.