FreeBSD : py-rsa -- Bleichenbacher'06 signature forgery vulnerability (e78bfc9d-cb1e-11e5-b251-0050562a4d7b)

medium Nessus Plugin ID 88585

Synopsis

The remote FreeBSD host is missing one or more security-related updates.

Description

Filippo Valsorda reports :

python-rsa is vulnerable to a straightforward variant of the Bleichenbacher'06 attack against RSA signature verification with low public exponent.

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?24eb0dd8

http://www.nessus.org/u?525636eb

https://nvd.nist.gov/vuln/detail/CVE-2016-1494

https://www.openwall.com/lists/oss-security/2016/01/05/3

https://www.openwall.com/lists/oss-security/2016/01/05/1

http://www.nessus.org/u?57f521bd

Plugin Details

Severity: Medium

ID: 88585

File Name: freebsd_pkg_e78bfc9dcb1e11e5b2510050562a4d7b.nasl

Version: 2.6

Type: local

Published: 2/5/2016

Updated: 1/4/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.2

CVSS v2

Risk Factor: Medium

Base Score: 5

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

CVSS v3

Risk Factor: Medium

Base Score: 5.3

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

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:py27-rsa, p-cpe:/a:freebsd:freebsd:py32-rsa, p-cpe:/a:freebsd:freebsd:py33-rsa, p-cpe:/a:freebsd:freebsd:py34-rsa, p-cpe:/a:freebsd:freebsd:py35-rsa, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Patch Publication Date: 2/4/2016

Vulnerability Publication Date: 1/5/2016

Reference Information

CVE: CVE-2016-1494