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debianDebianDEBIAN:DSA-4558-1:35EA3
HistoryNov 04, 2019 - 10:06 p.m.

[SECURITY] [DSA 4558-1] webkit2gtk security update

2019-11-0422:06:37
lists.debian.org
69
webkit2gtk
security update
cve-2019-8625
cve-2019-8720
cve-2019-8769
cve-2019-8771
web engine
cross site scripting
arbitrary code execution
browsing history
iframe sandboxing policy
debian
package upgrade

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.5

Confidence

Low

EPSS

0.006

Percentile

79.4%


Debian Security Advisory DSA-4558-1 [email protected]
https://www.debian.org/security/ Alberto Garcia
November 04, 2019 https://www.debian.org/security/faq


Package : webkit2gtk
CVE ID : CVE-2019-8625 CVE-2019-8720 CVE-2019-8769 CVE-2019-8771

Several vulnerabilities have been discovered in the webkit2gtk web engine:

CVE-2019-8625

Sergei Glazunov discovered that maliciously crafted web content
may lead to universal cross site scripting.

CVE-2019-8720

Wen Xu discovered that maliciously crafted web content may lead to
arbitrary code execution.

CVE-2019-8769

Pierre Reimertz discovered that visiting a maliciously crafted
website may reveal browsing history.

CVE-2019-8771

Eliya Stein discovered that maliciously crafted web content may
violate iframe sandboxing policy.

For the stable distribution (buster), these problems have been fixed in
version 2.26.1-3~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

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]

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.5

Confidence

Low

EPSS

0.006

Percentile

79.4%