CVE•Published 2023-03-22•1 article on news•5 live references•NVD data
CVE-2023-0386
Vulnerability data via CVEDB (Shodan)
CVSS v3.1
7.8
HIGH
EPSS percentile
95
Exploit Prediction Scoring System · top 5% of all CVEs
Description
A flaw was found in the Linux kernel, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel’s OverlayFS subsystem in how a user copies a capable file from a nosuid mount into another mount. This uid mapping bug allows a local user to escalate their privileges on the system.
Timeline
Published 2023-03-22
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 tag842 hosts
vuln:CVE-2023-0386Hosts Shodan has explicitly fingerprinted as vulnerable.
More intel sources (5)
Shodan report
vuln:CVE-2023-0386Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2023-0386Censys host search filtered to this CVE id.
grep.app
CVE-2023-0386Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2023-0386GitHub code search for direct mentions.
Google dork
"CVE-2023-0386" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (7)
CVE-2023-03867 repos
Mr-xn/Penetration_Testing_POCHTML
渗透测试有关的POC、EXP、脚本、提权、小工具等---About penetration-testing python-script poc getshell csrf xss cms php-getshell domainmod-xss csrf-webshell cobub-razor cve rce sql sql-poc poc-exp bypas…
xairy/linux-kernel-exploitationunknown
A collection of links related to Linux kernel security and exploitation
izj007/wechatunknown
微信收藏的文章
GhostTroops/TOPShell
TOP All bugbounty pentesting CVE-2023- POC Exp RCE example payload Things
Ostorlab/KEVunknown
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
DataDog/security-labs-pocsC
Proof of concept code for Datadog Security Labs referenced exploits.
portbuster1337/lpe-toolkitC
Multi-architecture Linux privilege escalation toolkit with 29 pre-built and runtime-compilable exploits. Auto-detects kernel version, filters patched exploits, tries each until roo…