Privilege escalation in Nullsoft Scriptable Install System
CVE-2015-9267
Nullsoft Scriptable Install System (NSIS) before 2.49 uses temporary folder locations that allow unprivileged local users to overwrite files. This allows a local attack in which either a plugin or the uninstaller can be replaced by a Trojan horse program.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.004 (30.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Nullsoft Scriptable Install System
- Debian Linux — versions 8.0
Weakness classification (CWE)
References
- lists.debian.org/debian-lts-announce/2018/11/msg00041.html (mailing-list, Mailing List, Third Party Advisory)
- sourceforge.net/p/nsis/bugs/1125/ (Exploit, Patch, Third Party Advisory, Issue Tracking)
- jvn.jp/en/jp/JVN68418039/index.html (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2015-9267?
- CVE-2015-9267 is a medium-severity vulnerability in Nullsoft Scriptable Install System, classified under Improper Privilege Management. CVSS score: 5.5/10. Published 2018-10-01.
- How severe is CVE-2015-9267?
- Medium severity. CVSS v3 base score is 5.5 out of 10.