CVE-2015-3245
Incomplete blacklist vulnerability in the chfn function in libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper…
- 2.1LowCVSS base score
- 5.4%Exploitation in 30 daysEPSS · top 7.3% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 3Public exploitsMetasploit, Nuclei and Exploit-DB
Description
Incomplete blacklist vulnerability in the chfn function in libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, allows local users to cause a denial of service (/etc/passwd corruption) via a newline character in the GECOS field.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module and 2 Exploit-DB entries for it. A reference of the record is tagged as an exploit.
Show the exploits4
Metasploit modules1 module
- Libuser roothelper Privilege Escalation (Metasploit module) (opens in a new tab)
exploit/linux/local/libuser_roothelper_priv_escRank greatdisclosed 24 Jul 2015
Exploit-DB2 entries
- Libuser - 'roothelper' Local Privilege Escalation (Metasploit) (Exploit-DB entry) (opens in a new tab)
EDB-ID 44633local, linuxpublished 16 May 2018Verified
- Libuser Library - Multiple Vulnerabilities (Exploit-DB entry) (opens in a new tab)
EDB-ID 37706dos, linuxpublished 27 Jul 2015Verified
References tagged exploit1 reference
- 44633 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By redhat
- 4 months later
· 4 months later
Published
- 9 years later
· 9 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 5.4% · top 7.3% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.1.
Affected products
n/a
- affected n/a
References
9
- FEDORA-2015-12301 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 44633 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- https://access.redhat.com/articles/1537873 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2015:1482 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- FEDORA-2015-12064 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- https://www.qualys.com/2015/07/23/cve-2015-3245-cve-2015-3246/cve-2015-3245-cve-2015-3246.txt (opens in a new tab)x_refsource_MISCx_transferred
- 1033040 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 76021 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- RHSA-2015:1483 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2015-3300 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2015-3245)Record last updated .