Vulnerability Name:

CVE-2021-27229 (CCN-196991)

Assigned:2021-02-16
Published:2021-02-16
Updated:2022-05-06
Summary:Mumble before 1.3.4 allows remote code execution if a victim navigates to a crafted URL on a server list and clicks on the Open Webpage text.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
8.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.7 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
9.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-59
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-27229

Source: XF
Type: UNKNOWN
mumble-cve202127229-code-exec(196991)

Source: CCN
Type: Mumble GIT Repository
FIX(client): Only allow "http"/"https" for URLs in ConnectDialog

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/mumble-voip/mumble/commit/e59ee87abe249f345908c7d568f6879d16bfd648

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/mumble-voip/mumble/compare/1.3.3...1.3.4

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/mumble-voip/mumble/pull/4733

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20210218 [SECURITY] [DLA 2562-1] mumble security update

Source: GENTOO
Type: Third Party Advisory
GLSA-202105-13

Vulnerable Configuration:Configuration 1:
  • cpe:/a:mumble:mumble:*:*:*:*:*:*:*:* (Version < 1.3.4)

    • Configuration 2:
  • cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:112999
    P
    		mumble-1.3.4-2.7 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:106445
    P
    		mumble-1.3.4-2.7 on GA media (Moderate)
    2021-10-01
    BACK
    mumble mumble *
    debian debian linux 9.0