Ubuntu update for mozjs91



Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2022-28285
CVE-2022-31740
CWE-ID CWE-399
CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

libmozjs-91-0 (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Resource management error

EUVDB-ID: #VU61889

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-28285

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to usage of incorrect AliasSet when generating the assembly code for MLoadTypedArrayElementHole. A remote attacker can abuse this along with another vulnerability to perform an out-of-bounds read.

Mitigation

Update the affected package mozjs91 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

libmozjs-91-0 (Ubuntu package): before 91.10.0-0ubuntu1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5494-1


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.

2) Buffer overflow

EUVDB-ID: #VU63876

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-2022-31740

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 related to register allocation problem in WASM on arm64. 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 mozjs91 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

libmozjs-91-0 (Ubuntu package): before 91.10.0-0ubuntu1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5494-1


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.



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