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debianDebianDEBIAN:DSA-4996-1:4C6B0
HistoryOct 28, 2021 - 10:22 p.m.

[SECURITY] [DSA 4996-1] wpewebkit security update

2021-10-2822:22:04
lists.debian.org
22

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

19.2%


Debian Security Advisory DSA-4996-1 [email protected]
https://www.debian.org/security/ Alberto Garcia
October 29, 2021 https://www.debian.org/security/faq


Package : wpewebkit
CVE ID : CVE-2021-30846 CVE-2021-30851 CVE-2021-42762

The following vulnerabilities have been discovered in the wpewebkit
web engine:

CVE-2021-30846

Sergei Glazunov discovered that processing maliciously crafted web
content may lead to arbitrary code execution

CVE-2021-30851

Samuel Gross discovered that processing maliciously crafted web
content may lead to code execution

CVE-2021-42762

An anonymous reporter discovered a limited Bubblewrap sandbox
bypass that allows a sandboxed process to trick host processes
into thinking the sandboxed process is not confined.

For the stable distribution (bullseye), these problems have been fixed in
version 2.34.1-1~deb11u1.

We recommend that you upgrade your wpewebkit packages.

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

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: [email protected]

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

19.2%