Debian Security Advisory

DSA-4945-1 webkit2gtk -- security update

Date Reported:
28 Jul 2021
Affected Packages:
webkit2gtk
Vulnerable:
Yes
Security database references:
In Mitre's CVE dictionary: CVE-2021-21775, CVE-2021-21779, CVE-2021-30663, CVE-2021-30665, CVE-2021-30689, CVE-2021-30720, CVE-2021-30734, CVE-2021-30744, CVE-2021-30749, CVE-2021-30758, CVE-2021-30795, CVE-2021-30797, CVE-2021-30799.
More information:

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.

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.

For the detailed security status of webkit2gtk please refer to its security tracker page at: https://security-tracker.debian.org/tracker/webkit2gtk