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SUSE SLES15: MozillaFirefox / MozillaFirefox-devel / etc (SUSE-SU-2021:3651-1)

critical Nessus Plugin ID 155157

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:3651-1 advisory.

 MozillaFirefox was updated to Extended Support Release 91.3.0 ESR

 * Fixed: Various stability, functionality, and security fixes

 MFSA 2021-49 (bsc#1192250)

 * CVE-2021-38503: iframe sandbox rules did not apply to XSLT stylesheets
 * CVE-2021-38504: Use-after-free in file picker dialog
 * CVE-2021-38505: Windows 10 Cloud Clipboard may have recorded sensitive user data
 * CVE-2021-38506: Firefox could be coaxed into going into fullscreen mode without notification or warning
 * CVE-2021-38507: Opportunistic Encryption in HTTP2 could be used to bypass the Same-Origin-Policy on services hosted on other ports
 * CVE-2021-38508: Permission Prompt could be overlaid, resulting in user confusion and potential spoofing
 * CVE-2021-38509: Javascript alert box could have been spoofed onto an arbitrary domain
 * CVE-2021-38510: Download Protections were bypassed by .inetloc files on Mac OS
 * MOZ-2021-0008: Use-after-free in HTTP2 Session object
 * MOZ-2021-0007: Memory safety bugs fixed in Firefox 94 and Firefox ESR 91.3

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected MozillaFirefox, MozillaFirefox-devel, MozillaFirefox-translations-common and / or MozillaFirefox- translations-other packages.

See Also

https://bugzilla.suse.com/1192250

https://www.suse.com/security/cve/CVE-2021-38503

https://www.suse.com/security/cve/CVE-2021-38504

https://www.suse.com/security/cve/CVE-2021-38505

https://www.suse.com/security/cve/CVE-2021-38506

https://www.suse.com/security/cve/CVE-2021-38507

https://www.suse.com/security/cve/CVE-2021-38508

https://www.suse.com/security/cve/CVE-2021-38509

https://www.suse.com/security/cve/CVE-2021-38510

http://www.nessus.org/u?84e5f5bf

Plugin Details

Severity: Critical

ID: 155157

File Name: suse_SU-2021-3651-1.nasl

Version: 1.8

Type: Local

Agent: unix

Published: 11/11/2021

Updated: 6/26/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, tenable_cloud_security, tenable_self_hosted_container_security, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.3

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2021-38503

CVSS v3

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:mozillafirefox-devel, p-cpe:/a:novell:suse_linux:mozillafirefox-translations-common, p-cpe:/a:novell:suse_linux:mozillafirefox-translations-other, p-cpe:/a:novell:suse_linux:mozillafirefox, cpe:/o:novell:suse_linux:15

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 11/10/2021

Vulnerability Publication Date: 11/3/2021

Reference Information

CVE: CVE-2021-38503, CVE-2021-38504, CVE-2021-38505, CVE-2021-38506, CVE-2021-38507, CVE-2021-38508, CVE-2021-38509, CVE-2021-38510

IAVA: 2021-A-0527-S

SuSE: SUSE-SU-2021:3651-1