CVE-2015-3243

Publication date 25 July 2017

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

rsyslog uses weak permissions for generating log files, which allows local users to obtain sensitive information by reading files in /var/log/cron.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
rsyslog	15.04 vivid	Not affected
	14.10 utopic	Not affected
	14.04 LTS trusty	Not affected
	12.04 LTS precise	Not affected

Notes

sbeattie

redhat was configured to create /var/log/cron mode 644 in ubuntu, cron goes to /var/log/syslog, which is 640 with group access being granted to the 'adm' group.

Severity score breakdown

CVSS version: CVSS v3.0

Base score 5.5 · Medium

Base metrics

Parameter	Value
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality impact	High
Integrity impact	None
Availability impact	None

Scores

Parameter	Value
Base score	5.5 · Medium
Exploitability score	-
Impact score	-

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References

Other references

https://www.cve.org/CVERecord?id=CVE-2015-3243