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openSUSE Security Update : python-cryptography (openSUSE-2019-857)

high Nessus Plugin ID 123358

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Synopsis

The remote openSUSE host is missing a security update.

Description

This update for python-cryptography fixes the following issues :

 - CVE-2018-10903: The finalize_with_tag API did not enforce a minimum tag length. If a user did not validate the input length prior to passing it to finalize_with_tag an attacker could craft an invalid payload with a shortened tag (e.g. 1 byte) such that they would have a 1 in 256 chance of passing the MAC check. GCM tag forgeries could have caused key leakage (bsc#1101820).

This update was imported from the SUSE:SLE-15:Update update project.

Solution

Update the affected python-cryptography packages.

See Also

https://bugzilla.opensuse.org/show_bug.cgi?id=1101820

Plugin Details

Severity: High

ID: 123358

File Name: openSUSE-2019-857.nasl

Version: 1.5

Type: local

Agent: unix

Published: 3/27/2019

Updated: 6/10/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2018-10903

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:novell:opensuse:15.0, p-cpe:/a:novell:opensuse:python2-cryptography-debuginfo, p-cpe:/a:novell:opensuse:python3-cryptography-debuginfo, p-cpe:/a:novell:opensuse:python3-cryptography, p-cpe:/a:novell:opensuse:python-cryptography-debuginfo, p-cpe:/a:novell:opensuse:python2-cryptography, p-cpe:/a:novell:opensuse:python-cryptography-debugsource

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 3/23/2019

Vulnerability Publication Date: 7/30/2018

Reference Information

CVE: CVE-2018-10903