NULL pointer dereference in Ossec
CVE-2020-8448
In OSSEC-HIDS 2.7 through 3.5.0, the server component responsible for log analysis (ossec-analysisd) is vulnerable to a denial of service (NULL pointer dereference) via crafted messages written directly to the analysisd UNIX domain socket by a local user.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (39.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/ossec/ossec-hids/issues/1821 (Third Party Advisory)
- www.ossec.net/ (Vendor Advisory)
- github.com/ossec/ossec-hids/issues/1815 (Exploit, Third Party Advisory)
- security.gentoo.org/glsa/202007-33 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-8448?
- CVE-2020-8448 is a medium-severity vulnerability in Ossec, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2020-01-30.
- How severe is CVE-2020-8448?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-8448 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.