CVE•Published 2019-04-01•1 article on news•6 live references•NVD data
CVE-2019-8956
Vulnerability data via CVEDB (Shodan)
CVSS v3.1
7.8
HIGH
EPSS percentile
62
Exploit Prediction Scoring System · top 38% of all CVEs
Description
In the Linux Kernel before versions 4.20.8 and 4.19.21 a use-after-free error in the "sctp_sendmsg()" function (net/sctp/socket.c) when handling SCTP_SENDALL flag can be exploited to corrupt memory.
Timeline
Published 2019-04-01
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2019-8956Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"Ubuntu Linux"Hosts Shodan identified as running Ubuntu Linux.
More intel sources (5)
Shodan report
vuln:CVE-2019-8956Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2019-8956Censys host search filtered to this CVE id.
grep.app
CVE-2019-8956Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2019-8956GitHub code search for direct mentions.
Google dork
"CVE-2019-8956" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (5)
CVE-2019-89565 repos
bsauce/kernel-exploit-factoryC
Linux kernel CVE exploit analysis report and relative debug environment. You don't need to compile Linux kernel and configure your environment anymore.
bsauce/kernel-security-learningC
Anything about kernel security. CTF kernel pwn, kernel exploit, kernel fuzz and kernel defense paper, kernel debugging technique, kernel CVE debug.
neutrinoguy/awesome-ics-writeupsunknown
Collection of writeups on ICS/SCADA security.
rxerium/CISA-KEVPython
An automated repo to track Nuclei template scanning capabilities against the CISA KEV.
bugsyhewitt/hellhoundPython
Necromancer suite: hellhound (offensive security tool)