SUSE update for MozillaThunderbird

Published: 2021-06-18

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-29964 CVE-2021-29967
CWE-ID	CWE-125 CWE-119
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	SUSE Linux Enterprise Workstation Extension Operating systems & Components / Operating system MozillaThunderbird-translations-other Operating systems & Components / Operating system package or component MozillaThunderbird-translations-common Operating systems & Components / Operating system package or component MozillaThunderbird-debugsource Operating systems & Components / Operating system package or component MozillaThunderbird-debuginfo Operating systems & Components / Operating system package or component MozillaThunderbird Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU53706

Risk: Low

CVSSv4.0: 0.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-29964

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local application to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition. A locally-installed hostile program could send WM_COPYDATA messages that Firefox would processing incorrectly and will result in out-of-bounds read.

Note, the vulnerability affects Windows installations only.

Mitigation

Update the affected package MozillaThunderbird to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Workstation Extension: 15-SP2 - 15-SP3

MozillaThunderbird-translations-other: before 78.11.0-8.30.1

MozillaThunderbird-translations-common: before 78.11.0-8.30.1

MozillaThunderbird-debugsource: before 78.11.0-8.30.1

MozillaThunderbird-debuginfo: before 78.11.0-8.30.1

MozillaThunderbird: before 78.11.0-8.30.1

CPE2.3

External links

https://www.suse.com/support/update/announcement/2021/suse-su-20212003-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Buffer overflow

EUVDB-ID: #VU53707

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-29967

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted webpage, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected package MozillaThunderbird to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Workstation Extension: 15-SP2 - 15-SP3

MozillaThunderbird-translations-other: before 78.11.0-8.30.1

MozillaThunderbird-translations-common: before 78.11.0-8.30.1

MozillaThunderbird-debugsource: before 78.11.0-8.30.1

MozillaThunderbird-debuginfo: before 78.11.0-8.30.1

MozillaThunderbird: before 78.11.0-8.30.1

CPE2.3

External links

https://www.suse.com/support/update/announcement/2021/suse-su-20212003-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.