Vixie Cron before 4.1-r10 on Gentoo Linux is installed with insecure permissions, which allows local users to cause a denial of service (cro
Vixie Cron before 4.1-r10 on Gentoo Linux is installed with insecure permissions, which allows local users to cause a denial of service (cron failure) by creating hard links, which results in a failed st_nlink check in database.c.
- Published
- Apr 17, 2007
- Updated
- Jun 16, 2026
- EPSS
- 0.4% · 30th percentile
- CWE
- —
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Report tools
Action score
8
Monitor
Low priority for now.
- CVSS
- 8 / 40 · 2.1 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.4%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| gentoo | linux | cpe:2.3:o:gentoo:linux |
| paul vixie | vixie cron | cpe:2.3:a:paul_vixie:vixie_cron |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- paul vixie vixie cronup to 4.1 inclusive
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Red Hat:enterprise_linux:3::as | vixie-cron | before 0:4.1-19.EL3 | 0:4.1-19.EL3 |
| Red Hat:enterprise_linux:3::as | vixie-cron-debuginfo | before 0:4.1-19.EL3 | 0:4.1-19.EL3 |
| Red Hat:enterprise_linux:4::as | vixie-cron | before 4:4.1-47.EL4 | 4:4.1-47.EL4 |
| Red Hat:enterprise_linux:4::as | vixie-cron-debuginfo | before 4:4.1-47.EL4 | 4:4.1-47.EL4 |
| Red Hat:enterprise_linux:5::client | vixie-cron | before 4:4.1-70.el5 | 4:4.1-70.el5 |
| Red Hat:enterprise_linux:5::client | vixie-cron-debuginfo | before 4:4.1-70.el5 | 4:4.1-70.el5 |
Same product
gentoo: all recordsOther highest-scoring records for the same primary product.
- CVE-2007-6337Unspecified vulnerability in the bzip2 decompression algorithm in nsis/bzlib_private.h in ClamAV before 0.92 has unknown impact and remote a41Plan
- CVE-2007-2173Eval injection vulnerability in (1) courier-imapd.indirect and (2) courier-pop3d.indirect in Courier-IMAP before 4.0.6-r2, and 4.1.x before 41Plan
- CVE-2006-7094ftpd, as used by Gentoo and Debian Linux, sets the gid to the effective uid instead of the effective group id before executing /bin/ls, whic35Monitor
- CVE-2017-14730The init script in the Gentoo app-admin/logstash-bin package before 5.5.3 and 5.6.x before 5.6.1 has "chown -R" calls for user-writable dire31Monitor
- CVE-2017-18285The Gentoo app-backup/burp package before 2.1.32 has incorrect group ownership of the /etc/burp directory, which might allow local users to 28Monitor
- CVE-2017-18284The Gentoo app-backup/burp package before 2.1.32 sets the ownership of the PID file directory to the burp account, which might allow local u28Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| red hat:vixie-cron | 0:4.1-19.EL3 · Red Hat:enterprise_linux:3::as | Package registry (OSV) |
| red hat:vixie-cron-debuginfo | 0:4.1-19.EL3 · Red Hat:enterprise_linux:3::as | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- P · the service can be disrupted
- Attack complexity
- Low
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- P
Weakness class (CWE)
—
CVSS vector
AV:L/AC:L/Au:N/C:N/I:N/A:P
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
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References
- lists.grok.org.uk/pipermail/full-disclosure/2007-September/065902.html
- rhn.redhat.com/errata/RHSA-2007-0345.html
- secunia.com/advisories/24905
- secunia.com/advisories/24995
- secunia.com/advisories/25321
- secunia.com/advisories/25723
- secunia.com/advisories/26909
- secunia.com/advisories/27706
- secunia.com/advisories/27886
- security.gentoo.org/glsa/glsa-200704-11.xml
- support.avaya.com/elmodocs2/security/ASA-2007-261.htm
- www.mandriva.com/security/advisories?name=MDKSA-2007:234
- www.novell.com/linux/security/advisories/2007_007_suse.html
- www.securityfocus.com/bid/23520
- www.securitytracker.com/id?1018081
- www.vupen.com/english/advisories/2007/3229
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11463
Vendor advisories and official records. Exploit/PoC links are deliberately left out.