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Debian: Security Advisory for webkit2gtk (DSA-4945-1)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

6.8

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

2 years ago

Modified

Modified

2 years ago

Summary

The remote host is missing an update for the 'webkit2gtk' package(s) announced via the DSA-4945-1 advisory.

Insight

Insight

The following vulnerabilities have been discovered in the webkit2gtk web engine: CVE-2021-21775 Marcin Towalski discovered that a specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage. CVE-2021-21779 Marcin Towalski discovered that a specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage. CVE-2021-30663 An anonymous researcher discovered that processing maliciously crafted web content may lead to arbitrary code execution. CVE-2021-30665 yangkang discovered that processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited. CVE-2021-30689 An anonymous researcher discovered that processing maliciously crafted web content may lead to universal cross site scripting. CVE-2021-30720 David Schutz discovered that a malicious website may be able to access restricted ports on arbitrary servers. CVE-2021-30734 Jack Dates discovered that processing maliciously crafted web content may lead to arbitrary code execution. CVE-2021-30744 Dan Hite discovered that processing maliciously crafted web content may lead to universal cross site scripting. CVE-2021-30749 An anonymous researcher discovered that processing maliciously crafted web content may lead to arbitrary code execution. CVE-2021-30758 Christoph Guttandin discovered that processing maliciously crafted web content may lead to arbitrary code execution. CVE-2021-30795 Sergei Glazunov discovered that processing maliciously crafted web content may lead to arbitrary code execution. CVE-2021-30797 Ivan Fratric discovered that processing maliciously crafted web content may lead to code execution. CVE-2021-30799 Sergei Glazunov discovered that processing maliciously crafted web content may lead to arbitrary code execution.

Affected Software

Affected Software

'webkit2gtk' package(s) on Debian Linux.

Detection Method

Detection Method

Checks if a vulnerable package version is present on the target host.

Solution

Solution

For the stable distribution (buster), these problems have been fixed in version 2.32.3-1~deb10u1. We recommend that you upgrade your webkit2gtk packages.