openEuler 22.03 LTS update for webkit2gtk3



Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2022-30294
CVE-2022-30293
CWE-ID CWE-416
CWE-122
Exploitation vector Network
Public exploit N/A
Vulnerable software
 openEuler
Operating systems & Components / Operating system

webkit2gtk3-help
Operating systems & Components / Operating system package or component

webkit2gtk3-jsc-devel
Operating systems & Components / Operating system package or component

webkit2gtk3-debugsource
Operating systems & Components / Operating system package or component

webkit2gtk3-debuginfo
Operating systems & Components / Operating system package or component

webkit2gtk3-jsc
Operating systems & Components / Operating system package or component

webkit2gtk3-devel
Operating systems & Components / Operating system package or component

webkit2gtk3
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: #VU63823

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-2022-30294

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 when processing HTML content within the WebCore::TextureMapperLayer::setContentsLayer() function in WebCore/platform/graphics/texmap/TextureMapperLayer.cpp. A remote attacker can trick the victim to visit a specially crafted website, 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: 22.03 LTS

webkit2gtk3-help: before 2.32.1-3

webkit2gtk3-jsc-devel: before 2.32.1-3

webkit2gtk3-debugsource: before 2.32.1-3

webkit2gtk3-debuginfo: before 2.32.1-3

webkit2gtk3-jsc: before 2.32.1-3

webkit2gtk3-devel: before 2.32.1-3

webkit2gtk3: before 2.32.1-3

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1698


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) Heap-based buffer overflow

EUVDB-ID: #VU63822

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-2022-30293

CWE-ID: CWE-122 - Heap-based Buffer Overflow

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 within the WebCore::TextureMapperLayer::setContentsLayer() function in WebCore/platform/graphics/texmap/TextureMapperLayer.cpp. A remote attacker can trick the victim into visiting a specially crafted web page, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

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

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 22.03 LTS

webkit2gtk3-help: before 2.32.1-3

webkit2gtk3-jsc-devel: before 2.32.1-3

webkit2gtk3-debugsource: before 2.32.1-3

webkit2gtk3-debuginfo: before 2.32.1-3

webkit2gtk3-jsc: before 2.32.1-3

webkit2gtk3-devel: before 2.32.1-3

webkit2gtk3: before 2.32.1-3

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1698


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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