Debian DSA-3462-1 : radicale - security update

critical Nessus Plugin ID 88497

Synopsis

The remote Debian host is missing a security-related update.

Description

Two vulnerabilities were fixed in radicale, a CardDAV/CalDAV server.

- CVE-2015-8747 The (not configured by default and not available on Wheezy) multifilesystem storage backend allows read and write access to arbitrary files (still subject to the DAC permissions of the user the radicale server is running as).

- CVE-2015-8748 If an attacker is able to authenticate with a user name like `.*', he can bypass read/write limitations imposed by regex-based rules, including the built-in rules `owner_write' (read for everybody, write for the calendar owner) and `owner_only' (read and write for the the calendar owner).

Solution

Upgrade the radicale packages.

For the oldstable distribution (wheezy), these problems have been fixed in version 0.7-1.1+deb7u1.

For the stable distribution (jessie), these problems have been fixed in version 0.9-1+deb8u1.

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=809920

https://security-tracker.debian.org/tracker/CVE-2015-8747

https://security-tracker.debian.org/tracker/CVE-2015-8748

https://packages.debian.org/source/wheezy/radicale

https://packages.debian.org/source/jessie/radicale

https://www.debian.org/security/2016/dsa-3462

Plugin Details

Severity: Critical

ID: 88497

File Name: debian_DSA-3462.nasl

Version: 2.12

Type: local

Agent: unix

Published: 2/1/2016

Updated: 1/11/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.3

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS v3

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:radicale, cpe:/o:debian:debian_linux:7.0, cpe:/o:debian:debian_linux:8.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 1/30/2016

Reference Information

CVE: CVE-2015-8747, CVE-2015-8748

DSA: 3462