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debianDebianDEBIAN:DLA-1945-1:55523
HistoryOct 04, 2019 - 1:31 a.m.

[SECURITY] [DLA 1945-1] openconnect security update

2019-10-0401:31:24
lists.debian.org
134

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.4 High

AI Score

Confidence

High

0.007 Low

EPSS

Percentile

80.5%

Package : openconnect
Version : 6.00-2+deb8u1
CVE ID : CVE-2019-16239
Debian Bug : 940871

A vulnerability was discovered by Lukas Kupczyk of the Advanced Research
Team at CrowdStrike Intelligence in OpenConnect, an open client for
Cisco AnyConnect, Pulse, GlobalProtect VPN. A malicious HTTP server
(after its identity certificate has been accepted) can provide bogus
chunk lengths for chunked HTTP encoding and cause a heap overflow.

For Debian 8 "Jessie", this problem has been fixed in version
6.00-2+deb8u1.

We recommend that you upgrade your openconnect packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
Attachment:
signature.asc
Description: PGP signature

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.4 High

AI Score

Confidence

High

0.007 Low

EPSS

Percentile

80.5%