Risk | High |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2023-44487 |
CWE-ID | CWE-400 |
Exploitation vector | Network |
Public exploit | Vulnerability #1 is being exploited in the wild. |
Vulnerable software |
Fedora Operating systems & Components / Operating system wdt Operating systems & Components / Operating system package or component watchman Operating systems & Components / Operating system package or component wangle Operating systems & Components / Operating system package or component proxygen Operating systems & Components / Operating system package or component mvfst Operating systems & Components / Operating system package or component mcrouter Operating systems & Components / Operating system package or component folly Operating systems & Components / Operating system package or component fizz Operating systems & Components / Operating system package or component fbthrift Operating systems & Components / Operating system package or component fb303 Operating systems & Components / Operating system package or component cachelib Operating systems & Components / Operating system package or component |
Vendor | Fedoraproject |
Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU81728
Risk: High
CVSSv4.0: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:A/U:Amber]
CVE-ID: CVE-2023-44487
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improperly control of consumption for internal resources when handling HTTP/2 requests with compressed HEADERS frames. A remote attacker can send a sequence of compressed HEADERS frames followed by RST_STREAM frames and perform a denial of service (DoS) attack, a.k.a. "Rapid Reset".
Note, the vulnerability is being actively exploited in the wild.
Install updates from vendor's repository.
Vulnerable software versionsFedora: 37
wdt: before 1.32.1910230^20230711git3b52ef5-2.fc37
watchman: before 2021.05.10.00-24.fc37
wangle: before 2023.10.16.00-1.fc37
proxygen: before 2023.10.16.00-1.fc37
mvfst: before 2023.10.16.00-1.fc37
mcrouter: before 0.41.0.20231016-1.fc37
folly: before 2023.10.16.00-1.fc37
fizz: before 2023.10.16.00-1.fc37
fbthrift: before 2023.10.16.00-1.fc37
fb303: before 2023.10.16.00-1.fc37
cachelib: before 17^20231016-1.fc37
CPE2.3https://bodhi.fedoraproject.org/updates/FEDORA-2023-2a9214af5f
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
Yes. This vulnerability is being exploited in the wild.