Vulnerability Name:

CVE-2022-23613 (CCN-219215)

Assigned:2022-02-07
Published:2022-02-07
Updated:2022-03-15
Summary:xrdp is an open source remote desktop protocol (RDP) server. In affected versions an integer underflow leading to a heap overflow in the sesman server allows any unauthenticated attacker which is able to locally access a sesman server to execute code as root. This vulnerability has been patched in version 0.9.18.1 and above. Users are advised to upgrade. There are no known workarounds.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:7.2 High (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-191
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2022-23613

Source: XF
Type: UNKNOWN
xrdp-cve202223613-priv-esc(219215)

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/neutrinolabs/xrdp/commit/4def30ab8ea445cdc06832a44c3ec40a506a0ffa

Source: CCN
Type: xrdp GIT Repository
Privilege escalation on xrdp-sesman

Source: CONFIRM
Type: Third Party Advisory
https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-8h98-h426-xf32

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2022-727e3914e1

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2022-4283d4695d

Vulnerable Configuration:Configuration 1:
  • cpe:/a:neutrinolabs:xrdp:0.9.17:*:*:*:*:*:*:*
  • OR cpe:/a:neutrinolabs:xrdp:0.9.18:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:fedoraproject:fedora:34:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:35:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    neutrinolabs xrdp 0.9.17
    neutrinolabs xrdp 0.9.18
    fedoraproject fedora 34
    fedoraproject fedora 35