// For flags

CVE-2022-31256

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

Severity Score

7.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

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.

Una vulnerabilidad de Resolución de Enlaces Inapropiada Antes del Acceso a Archivos ("Enlace Siguiente") en un script llamado por el servicio systemd de sendmail de openSUSE Factory permite a atacantes locales escalar desde el correo de usuario a root. Este problema afecta a: Las versiones de sendmail de SUSE openSUSE Factory anteriores a la 8.17.1-1.1

An update that solves one vulnerability and has one errata is now available. This update for sendmail fixes the following issues. Fixed mail to root privilege escalation via sm-client.pre script.

*Credits: Matthias Gerstner and Filippo Bonazzi from SUSE
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Attack Vector
Local
Attack Complexity
Low
Authentication
Single
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Track*
Exploitation
None
Automatable
No
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2022-05-20 CVE Reserved
  • 2022-10-26 CVE Published
  • 2025-05-09 CVE Updated
  • 2025-07-21 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-59: Improper Link Resolution Before File Access ('Link Following')
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
https://bugzilla.suse.com/show_bug.cgi?id=1204696 2022-10-28
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Opensuse
Search vendor "Opensuse"
 Factory
Search vendor "Opensuse" for product "Factory"
 < 8.17.1-1.1
Search vendor "Opensuse" for product "Factory" and version " < 8.17.1-1.1"
-
Affected