Path Traversal in S-Nail Project
CVE-2017-5899
Directory traversal vulnerability in the setuid root helper binary in S-nail (later S-mailx) before 14.8.16 allows local users to write to arbitrary files and consequently gain root privileges via a .. (dot dot) in the randstr argument.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.010 (62.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openwall.com/lists/oss-security/2017/02/07/4 (mailing-list, Mailing List, Third Party Advisory)
- www.mail-archive.com/s-nail-users@lists.sourceforge.net/msg00551.html (mailing-list)
- www.openwall.com/lists/oss-security/2017/01/27/7 (mailing-list, Exploit, Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/96138 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-5899?
- CVE-2017-5899 is a high-severity vulnerability in S-Nail Project, classified under Path Traversal. CVSS score: 7.0/10. Published 2017-03-27.
- How severe is CVE-2017-5899?
- High severity. CVSS v3 base score is 7.0 out of 10.
- Is CVE-2017-5899 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.