SB2024062146 - openEuler 20.03 LTS SP4 update for mozjs78

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2022-22740)

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.

2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2023-29532)

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.

Remediation

Install update from vendor's website.

References

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