CVE Tools

Description

fcronsighup in Fcron 2.0.1, 2.9.4, and possibly earlier versions allows local users to bypass access restrictions and load an arbitrary configuration file by starting an suid process and pointing the fcronsighup configuration file to a /proc entry that is owned by root but modifiable by the user, such as /proc/self/cmdline or /proc/self/environ.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LAu:NC:CI:CA:C
Exploitability
AV:LAccess Vector
Local
AC:LAccess Complexity
Low
Au:NAuthentication
None
Impact
C:CConfidentiality
Complete
I:CIntegrity
Complete
A:CAvailability
Complete

Weaknesses

Affected Products

thibault godouet
individual-devaka fcron author, thibault godouet fcron
gentoo
oss-project·USaka gentoo linux
and 1 more affected products View all →

Exploitability

Official Patch Available

References

and 1 more references View all →

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2004-1031 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows