openEuler 20.03 LTS SP4 update for mozjs78



Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2022-22740
CVE-2023-29532
CWE-ID CWE-416
CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		openEuler
Operating systems & Components / Operating system

mozjs78-help
Operating systems & Components / Operating system package or component

mozjs78-debugsource
Operating systems & Components / Operating system package or component

mozjs78-devel
Operating systems & Components / Operating system package or component

mozjs78-debuginfo
Operating systems & Components / Operating system package or component

mozjs78
Operating systems & Components / Operating system package or component

Vendor openEuler

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU59370

Risk: High

CVSSv3.1: 7.7 [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]

CVE-ID: CVE-2022-22740

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in ChannelEventQueue::mOwner when releasing a network request handle. A remote attacker can trick the victim to open a specially crafted web page, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP4

mozjs78-help: before 78.4.0-8

mozjs78-debugsource: before 78.4.0-8

mozjs78-devel: before 78.4.0-8

mozjs78-debuginfo: before 78.4.0-8

mozjs78: before 78.4.0-8

CPE2.3 External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1746


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.

2) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU74821

Risk: Low

CVSSv3.1: 6.8 [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]

CVE-ID: CVE-2023-29532

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to the way Mozilla Maintenance Service handles write-locks when downloading updates from a SMB server. A local user can apply an unsigned update file by pointing the service at an update file on a malicious SMB server.

The vulnerability affects only Firefox for Windows.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP4

mozjs78-help: before 78.4.0-8

mozjs78-debugsource: before 78.4.0-8

mozjs78-devel: before 78.4.0-8

mozjs78-debuginfo: before 78.4.0-8

mozjs78: before 78.4.0-8

CPE2.3 External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1746


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.



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