Vulnerability Details : CVE-2019-3461
Debian tmpreaper version 1.6.13+nmu1 has a race condition when doing a (bind) mount via rename() which could result in local privilege escalation. Mounting via rename() could potentially lead to a file being placed elsewhereon the filesystem hierarchy (e.g. /etc/cron.d/) if the directory being cleaned up was on the same physical filesystem. Fixed versions include 1.6.13+nmu1+deb9u1 and 1.6.14.
Vulnerability category: Gain privilege
Products affected by CVE-2019-3461
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:debian:tmpreaper:1.6.13\+nmu1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-3461
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-3461
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.4
|
MEDIUM | AV:L/AC:M/Au:N/C:P/I:P/A:P |
3.4
|
6.4
|
NIST | |
|
7.0
|
HIGH | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.0
|
5.9
|
NIST |
CWE ids for CVE-2019-3461
-
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-3461
-
https://usn.ubuntu.com/4077-1/
USN-4077-1: tmpreaper vulnerability | Ubuntu security notices
-
https://lists.debian.org/debian-lts-announce/2019/01/msg00017.html
[SECURITY] [DLA 1640-1] tmpreaper security updateVendor Advisory
-
https://lists.debian.org/debian-security-announce/2019/msg00003.html
[SECURITY] [DSA 4365-1] tmpreaper security updateMailing List;Vendor Advisory
-
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=918956
#918956 - tmpreaper: CVE-2019-3461 - Debian Bug report logsMailing List;Vendor Advisory
Jump to