sendmail: mail to root privilege escalation via sm-client.pre script
CVE-2022-31256

7.7HIGH

Key Information:

Vendor
Suse
Status
Opensuse Factory
Vendor
CVE Published:
26 October 2022

Summary

A Improper Link Resolution Before File Access ('Link Following') vulnerability in a script called by the sendmail systemd service of openSUSE Factory allows local attackers to escalate from user mail to root. This issue affects: SUSE openSUSE Factory sendmail versions prior to 8.17.1-1.1.

Affected Version(s)

openSUSE Factory sendmail < 8.17.1-1.1

References

https://bugzilla.suse.com/show_bug.cgi?id=1204696

CVSS V3.1

Score:
7.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Matthias Gerstner and Filippo Bonazzi from SUSE
.