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ubuntuUbuntuUSN-4565-1
HistoryOct 05, 2020 - 12:00 a.m.

OpenConnect vulnerability

2020-10-0500:00:00
ubuntu.com
54
openconnect
buffer overflow
ubuntu 18.04 esm
ssl vpn client
http chunked encoding
denial of service
crash

CVSS2

7.5

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

CVSS3

9.8

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

AI Score

9.6

Confidence

High

EPSS

0.008

Percentile

81.8%

JSON

Releases

  • Ubuntu 18.04 ESM

Packages

  • openconnect - An SSL VPN client

Details

It was discovered that OpenConnect has a buffer overflow when a malicious
server uses HTTP chunked encoding with crafted chunk sizes. An attacker
could use it to provoke a denial of service (crash).

OSVersionArchitecturePackageVersionFilename
Ubuntu18.04noarchlibopenconnect5< 7.08-3ubuntu0.18.04.2UNKNOWN
Ubuntu18.04noarchlibopenconnect-dev< 7.08-3ubuntu0.18.04.2UNKNOWN
Ubuntu18.04noarchlibopenconnect5-dbgsym< 7.08-3ubuntu0.18.04.2UNKNOWN
Ubuntu18.04noarchopenconnect< 7.08-3ubuntu0.18.04.2UNKNOWN
Ubuntu18.04noarchopenconnect-dbgsym< 7.08-3ubuntu0.18.04.2UNKNOWN

Related

openvas 9
osv 4
nessus 10
suse 2
debian 3
mageia 1
cvelist 1
fedora 3
ubuntucve 1
veracode 1
debiancve 1
prion 1
nvd 1
cve 1
openvas
openvas
Debian: Security Advisory (DSA-4607-1)
2020-01-21 00:00:00
Fedora Update for openconnect FEDORA-2019-1caffa01f2
2019-09-20 00:00:00
Ubuntu: Security Advisory (USN-4565-1)
2020-10-07 00:00:00
osv
osv
openconnect - security update
2020-01-20 00:00:00
CVE-2019-16239
2019-09-17 12:15:10
openconnect vulnerability
2020-10-05 13:24:31
nessus
nessus
Fedora 29 : openconnect (2019-4c0d6e1784)
2019-09-20 00:00:00
openSUSE Security Update : openconnect (openSUSE-2019-2385)
2019-10-28 00:00:00
openSUSE Security Update : openconnect (openSUSE-2019-2388)
2019-10-28 00:00:00
suse
suse
Security update for openconnect (moderate)
2019-10-27 00:00:00
Security update for openconnect (moderate)
2019-10-27 00:00:00
debian
debian
[SECURITY] [DSA 4607-1] openconnect security update
2020-01-20 20:50:40
[SECURITY] [DLA 1945-1] openconnect security update
2019-10-04 01:31:24
[SECURITY] [DSA 4607-1] openconnect security update
2020-01-20 20:50:40
mageia
mageia
Updated openconnect packages fix security vulnerability
2020-01-05 18:37:51
cvelist
cvelist
CVE-2019-16239
2019-09-17 11:37:21
fedora
fedora
[SECURITY] Fedora 31 Update: openconnect-8.05-1.fc31
2019-09-16 00:03:48
[SECURITY] Fedora 29 Update: openconnect-8.05-1.fc29
2019-09-20 01:34:12
[SECURITY] Fedora 30 Update: openconnect-8.05-1.fc30
2019-09-20 01:22:30
ubuntucve
ubuntucve
CVE-2019-16239
2019-09-17 00:00:00
veracode
veracode
Arbitrary Code Execution
2020-10-04 04:42:40
debiancve
debiancve
CVE-2019-16239
2019-09-17 12:15:10
prion
prion
Buffer overflow
2019-09-17 12:15:00
nvd
nvd
CVE-2019-16239
2019-09-17 12:15:10
cve
cve
CVE-2019-16239
2019-09-17 12:15:10

CVSS2

7.5

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

CVSS3

9.8

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

AI Score

9.6

Confidence

High

EPSS

0.008

Percentile

81.8%

JSON
Related for USN-4565-1
openvas9osv4nessus10suse2debian3mageia1cvelist1fedora3ubuntucve1veracode1debiancve1prion1nvd1cve1