Buffer overflow in F5 nginx Open Source
CVE-2024-31079
When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed HTTP/3 requests can cause NGINX worker processes to terminate or cause other potential impact. This attack requires that a request be specifically timed during the connection draining process, which the attacker has no visibility and limited influence over.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
EPSS: 0.009 (57.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- F5 nginx Open Source — versions 1.25.0
- F5 nginx Open Source
- F5 nginx Plus — versions R30
- F5 nginx Plus — versions r30, r31
- Fedoraproject Fedora — versions 39, 40
Weakness classification (CWE)
Public proof-of-concept exploits
References
- my.f5.com/manage/s/article/K000139611 (vendor-advisory, Vendor Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Third Party Advisory)
- www.openwall.com/lists/oss-security/2024/05/30/4 (Mailing List)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Third Party Advisory)
Frequently asked questions
- What is CVE-2024-31079?
- CVE-2024-31079 is a medium-severity vulnerability in F5 nginx Open Source, classified under Stack-based Buffer Overflow. CVSS score: 4.8/10. Published 2024-05-29.
- How severe is CVE-2024-31079?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2024-31079 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.