VulnerabilityModified
CVE-2023-45318
A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP git commit 80d4004.
CRITICAL 9.8EPSS 1.75%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.75%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP git commit 80d4004. A specially crafted network packet can lead to arbitrary code execution. An attacker can send a malicious packet to trigger this vulnerability.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.75% probability · 77th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-122, CWE-787
- Affected
- silabs/gecko software development kit · weston-embedded/uc-http
- Source
- talos-cna@cisco.com
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2023-1843Exploit, Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2023-1843Exploit, Third Party Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1843
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.