Arch Linux Security Advisory ASA-202107-67
=========================================
Severity: High
Date    : 2021-07-27
CVE-ID  : 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-2021-30795 CVE-2021-30797 CVE-2021-30799
Package : webkit2gtk
Type    : multiple issues
Remote  : Yes
Link    : https://security.archlinux.org/AVG-2220

Summary
======
The package webkit2gtk before version 2.32.3-1 is vulnerable to
multiple issues including arbitrary code execution, access restriction
bypass, cross-site scripting and information disclosure.

Resolution
=========
Upgrade to 2.32.3-1.

# pacman -Syu "webkit2gtk>=2.32.3-1"

The problems have been fixed upstream in version 2.32.3.

Workaround
=========
None.

Description
==========
- CVE-2021-21775 (information disclosure)

A security issue has been found in WebKitGTK and WPE WebKit before
2.32.3. A use-after-free vulnerability exists in the way certain events
are processed for ImageLoader objects of WebKit. 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 (information disclosure)

A security issue has been found in WebKitGTK and WPE WebKit before
2.32.3. A use-after-free vulnerability exists in the way that WebKit
GraphicsContext handles certain events. A specially crafted web page
can lead to a potential information leak and further memory corruption.
A victim must be tricked into visiting a malicious web page to trigger
this vulnerability.

- CVE-2021-30663 (arbitrary code execution)

A security issue has been found in WebKitGTK and WPE WebKit before
2.32.3. Processing maliciously crafted web content may lead to
arbitrary code execution.

- CVE-2021-30665 (arbitrary code execution)

A security issue has been found in WebKitGTK and WPE WebKit before
2.32.3. 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 (cross-site scripting)

A security issue has been found in WebKitGTK and WPE WebKit before
2.32.3. Processing maliciously crafted web content may lead to
universal cross site scripting.

- CVE-2021-30720 (access restriction bypass)

A security issue has been found in WebKitGTK and WPE WebKit before
2.32.3. A malicious website may be able to access restricted ports on
arbitrary servers.

- CVE-2021-30734 (arbitrary code execution)

A security issue has been found in WebKitGTK and WPE WebKit before
2.32.3. Processing maliciously crafted web content may lead to
arbitrary code execution.

- CVE-2021-30744 (cross-site scripting)

A security issue has been found in WebKitGTK and WPE WebKit before
2.32.3. Processing maliciously crafted web content may lead to
universal cross site scripting.

- CVE-2021-30749 (arbitrary code execution)

A security issue has been found in WebKitGTK and WPE WebKit before
2.32.3. Processing maliciously crafted web content may lead to
arbitrary code execution.

- CVE-2021-30795 (arbitrary code execution)

A security issue has been found in WebKitGTK and WPE WebKit before
2.32.3. Processing maliciously crafted web content may lead to
arbitrary code execution.

- CVE-2021-30797 (arbitrary code execution)

A security issue has been found in WebKitGTK and WPE WebKit before
2.32.3. Processing maliciously crafted web content may lead to code
execution.

- CVE-2021-30799 (arbitrary code execution)

A security issue has been found in WebKitGTK and WPE WebKit before
2.32.3. Processing maliciously crafted web content may lead to
arbitrary code execution.

Impact
=====
A remote attacker could execute arbitrary code or disclose sensitive
information through crafted web content. Apple is aware of a report
that one of the arbitrary code execution issues may have been actively
exploited.

References
=========
https://webkitgtk.org/security/WSA-2021-0004.html#CVE-2021-21775
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1229
https://webkitgtk.org/security/WSA-2021-0004.html#CVE-2021-21779
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1238
https://webkitgtk.org/security/WSA-2021-0004.html#CVE-2021-30663
https://webkitgtk.org/security/WSA-2021-0004.html#CVE-2021-30665
https://webkitgtk.org/security/WSA-2021-0004.html#CVE-2021-30689
https://webkitgtk.org/security/WSA-2021-0004.html#CVE-2021-30720
https://webkitgtk.org/security/WSA-2021-0004.html#CVE-2021-30734
https://webkitgtk.org/security/WSA-2021-0004.html#CVE-2021-30744
https://webkitgtk.org/security/WSA-2021-0004.html#CVE-2021-30749
https://webkitgtk.org/security/WSA-2021-0004.html#CVE-2021-30795
https://webkitgtk.org/security/WSA-2021-0004.html#CVE-2021-30797
https://webkitgtk.org/security/WSA-2021-0004.html#CVE-2021-30799
https://security.archlinux.org/CVE-2021-21775
https://security.archlinux.org/CVE-2021-21779
https://security.archlinux.org/CVE-2021-30663
https://security.archlinux.org/CVE-2021-30665
https://security.archlinux.org/CVE-2021-30689
https://security.archlinux.org/CVE-2021-30720
https://security.archlinux.org/CVE-2021-30734
https://security.archlinux.org/CVE-2021-30744
https://security.archlinux.org/CVE-2021-30749
https://security.archlinux.org/CVE-2021-30795
https://security.archlinux.org/CVE-2021-30797
https://security.archlinux.org/CVE-2021-30799

ArchLinux: 202107-67: webkit2gtk: multiple issues

July 30, 2021

Summary

- CVE-2021-21775 (information disclosure) A security issue has been found in WebKitGTK and WPE WebKit before 2.32.3. A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of WebKit. 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 (information disclosure)
A security issue has been found in WebKitGTK and WPE WebKit before 2.32.3. A use-after-free vulnerability exists in the way that WebKit GraphicsContext handles certain events. A specially crafted web page can lead to a potential information leak and further memory corruption. A victim must be tricked into visiting a malicious web page to trigger this vulnerability.
- CVE-2021-30663 (arbitrary code execution)
A security issue has been found in WebKitGTK and WPE WebKit before 2.32.3. Processing maliciously crafted web content may lead to arbitrary code execution.
- CVE-2021-30665 (arbitrary code execution)
A security issue has been found in WebKitGTK and WPE WebKit before 2.32.3. 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 (cross-site scripting)
A security issue has been found in WebKitGTK and WPE WebKit before 2.32.3. Processing maliciously crafted web content may lead to universal cross site scripting.
- CVE-2021-30720 (access restriction bypass)
A security issue has been found in WebKitGTK and WPE WebKit before 2.32.3. A malicious website may be able to access restricted ports on arbitrary servers.
- CVE-2021-30734 (arbitrary code execution)
A security issue has been found in WebKitGTK and WPE WebKit before 2.32.3. Processing maliciously crafted web content may lead to arbitrary code execution.
- CVE-2021-30744 (cross-site scripting)
A security issue has been found in WebKitGTK and WPE WebKit before 2.32.3. Processing maliciously crafted web content may lead to universal cross site scripting.
- CVE-2021-30749 (arbitrary code execution)
A security issue has been found in WebKitGTK and WPE WebKit before 2.32.3. Processing maliciously crafted web content may lead to arbitrary code execution.
- CVE-2021-30795 (arbitrary code execution)
A security issue has been found in WebKitGTK and WPE WebKit before 2.32.3. Processing maliciously crafted web content may lead to arbitrary code execution.
- CVE-2021-30797 (arbitrary code execution)
A security issue has been found in WebKitGTK and WPE WebKit before 2.32.3. Processing maliciously crafted web content may lead to code execution.
- CVE-2021-30799 (arbitrary code execution)
A security issue has been found in WebKitGTK and WPE WebKit before 2.32.3. Processing maliciously crafted web content may lead to arbitrary code execution.

Resolution

Upgrade to 2.32.3-1. # pacman -Syu "webkit2gtk>=2.32.3-1"
The problems have been fixed upstream in version 2.32.3.

References

https://webkitgtk.org/security/WSA-2021-0004.html#CVE-2021-21775 https://talosintelligence.com/vulnerability_reports/TALOS-2021-1229 https://webkitgtk.org/security/WSA-2021-0004.html#CVE-2021-21779 https://talosintelligence.com/vulnerability_reports/TALOS-2021-1238 https://webkitgtk.org/security/WSA-2021-0004.html#CVE-2021-30663 https://webkitgtk.org/security/WSA-2021-0004.html#CVE-2021-30665 https://webkitgtk.org/security/WSA-2021-0004.html#CVE-2021-30689 https://webkitgtk.org/security/WSA-2021-0004.html#CVE-2021-30720 https://webkitgtk.org/security/WSA-2021-0004.html#CVE-2021-30734 https://webkitgtk.org/security/WSA-2021-0004.html#CVE-2021-30744 https://webkitgtk.org/security/WSA-2021-0004.html#CVE-2021-30749 https://webkitgtk.org/security/WSA-2021-0004.html#CVE-2021-30795 https://webkitgtk.org/security/WSA-2021-0004.html#CVE-2021-30797 https://webkitgtk.org/security/WSA-2021-0004.html#CVE-2021-30799 https://security.archlinux.org/CVE-2021-21775 https://security.archlinux.org/CVE-2021-21779 https://security.archlinux.org/CVE-2021-30663 https://security.archlinux.org/CVE-2021-30665 https://security.archlinux.org/CVE-2021-30689 https://security.archlinux.org/CVE-2021-30720 https://security.archlinux.org/CVE-2021-30734 https://security.archlinux.org/CVE-2021-30744 https://security.archlinux.org/CVE-2021-30749 https://security.archlinux.org/CVE-2021-30795 https://security.archlinux.org/CVE-2021-30797 https://security.archlinux.org/CVE-2021-30799

Severity
CVE-2021-30689 CVE-2021-30720 CVE-2021-30734 CVE-2021-30744
CVE-2021-30749 CVE-2021-30795 CVE-2021-30797 CVE-2021-30799
Package : webkit2gtk
Type : multiple issues
Remote : Yes
Link : https://security.archlinux.org/AVG-2220

Workaround

None.

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