ArchLinuxASA-202005-11[ASA-202005-11] openconnect: arbitrary code execution
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
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
EPSS
Percentile
86.5%
Arch Linux Security Advisory ASA-202005-11
Severity: Low
Date : 2020-05-19
CVE-ID : CVE-2020-12823
Package : openconnect
Type : arbitrary code execution
Remote : No
Link : https://security.archlinux.org/AVG-1157
Summary
The package openconnect before version 1:8.10-1 is vulnerable to
arbitrary code execution.
Resolution
Upgrade to 1:8.10-1.
pacman -Syu “openconnect>=1:8.10-1”
The problem has been fixed upstream in version 8.10.
Workaround
None.
Description
OpenConnect 8.09 has a buffer overflow in get_cert_name in gnutls.c,
causing a denial of service (application crash) or possibly unspecified
other impact, via crafted data in a local certificate.
Impact
An attacker can cause the application to crash, or possibly execute
arbitrary code, by tricking a user into using a specially crafted
certificate.
References
https://gitlab.com/openconnect/openconnect/-/merge_requests/108
https://security.archlinux.org/CVE-2020-12823
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ArchLinux | any | any | openconnect | < 1:8.10-1 | UNKNOWN |
Related
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
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
EPSS
Percentile
86.5%