Buffer overflow in F5 nginx
CVE-2017-20005
NGINX before 1.13.6 has a buffer overflow for years that exceed four digits, as demonstrated by a file with a modification date in 1969 that causes an integer overflow (or a false modification date far in the future), when encountered by the autoindex module.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.033 (88.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.033 · newest: 0.033 · change: -0.000
Affected products
- F5 nginx
- Debian Linux — versions 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- nginx.org/en/CHANGES (Release Notes, Vendor Advisory)
- trac.nginx.org/nginx/ticket/1368 (Exploit, Patch, Vendor Advisory)
- github.com/nginx/nginx/commit/0206ebe76f748bb39d9de4dd4b3fce777fdfdccf (Patch, Third Party Advisory)
- github.com/nginx/nginx/commit/b900cc28fcbb4cf5a32ab62f80b59292e1c85b4b (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/06/msg00009.html (mailing-list, Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20210805-0006/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2017-20005?
- CVE-2017-20005 is a critical-severity vulnerability in F5 nginx, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2021-06-06.
- How severe is CVE-2017-20005?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-20005 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.