Debian update for webkit2gtk



Published: 2020-01-29
Risk High
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2019-8835
CVE-2019-8844
CVE-2019-8846
CWE-ID CWE-119
CWE-416
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Debian Linux
Operating systems & Components / Operating system

webkit2gtk (Debian package)
Operating systems & Components / Operating system package or component

Vendor Debian

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU48062

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-2019-8835

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in tvOS 13.3, iCloud for Windows 10.9, iOS 13.3 and iPadOS 13.3, Safari 13.0.4, iTunes 12.10.3 for Windows, iCloud for Windows 7.16. Processing maliciously crafted web content may lead to arbitrary code execution.

Mitigation

Update webkit2gtk package to version 2.26.3-1~deb10u1.

Vulnerable software versions

Debian Linux: All versions

webkit2gtk (Debian package): before 2.26.3-1~deb10u1

CPE2.3 External links

http://www.debian.org/security/2020/dsa-4610


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: #VU48063

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-2019-8844

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in tvOS 13.3, watchOS 6.1.1, iCloud for Windows 10.9, iOS 13.3 and iPadOS 13.3, Safari 13.0.4, iTunes 12.10.3 for Windows, iCloud for Windows 7.16. Processing maliciously crafted web content may lead to arbitrary code execution.

Mitigation

Update webkit2gtk package to version 2.26.3-1~deb10u1.

Vulnerable software versions

Debian Linux: All versions

webkit2gtk (Debian package): before 2.26.3-1~deb10u1

CPE2.3 External links

http://www.debian.org/security/2020/dsa-4610


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.

3) Use-after-free

EUVDB-ID: #VU23613

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-2019-8846

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 the SVG Marker Element feature of Apple Safari's WebKit. A remote attacker can use a specially crafted HTML web page, when opened by a victim, trigger memory corruption and execute arbitrary code on the target system.

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

Mitigation

Update webkit2gtk package to version 2.26.3-1~deb10u1.

Vulnerable software versions

Debian Linux: All versions

webkit2gtk (Debian package): before 2.26.3-1~deb10u1

CPE2.3 External links

http://www.debian.org/security/2020/dsa-4610


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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