Use After Free in Inspircd
CVE-2020-25269
An issue was discovered in InspIRCd 2 before 2.0.29 and 3 before 3.6.0. The pgsql module contains a use after free vulnerability. When combined with the sqlauth or sqloper modules, this vulnerability can be used for remote crashing of an InspIRCd server by any user able to connect to a server.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.027 (85.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
- Inspircd
- Debian Linux — versions 9.0, 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- docs.inspircd.org/security/2020-01/ (Vendor Advisory)
- github.com/inspircd/inspircd/compare/v2.0.28...07d7dea (Patch, Third Party Advisory)
- github.com/inspircd/inspircd/compare/426d1c8...b3f1db9 (Patch, Third Party Advisory)
- www.debian.org/security/2020/dsa-4764 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/09/msg00015.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-25269?
- CVE-2020-25269 is a medium-severity vulnerability in Inspircd, classified under Use After Free. CVSS score: 6.5/10. Published 2020-09-11.
- How severe is CVE-2020-25269?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2020-25269 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.