Debian DLA-177-1 : openssl security update

High Nessus Plugin ID 82162

Synopsis

The remote Debian host is missing a security update.

Description

Multiple vulnerabilities have been discovered in OpenSSL, a Secure Sockets Layer toolkit. The Common Vulnerabilities and Exposures project identifies the following issues :

CVE-2015-0209

It was discovered that a malformed EC private key might result in memory corruption.

CVE-2015-0286

Stephen Henson discovered that the ASN1_TYPE_cmp() function can be crashed, resulting in denial of service.

CVE-2015-0287

Emilia Kaesper discovered a memory corruption in ASN.1 parsing.

CVE-2015-0288

It was discovered that missing input sanitising in the X509_to_X509_REQ() function might result in denial of service.

CVE-2015-0289

Michal Zalewski discovered a NULL pointer dereference in the PKCS#7 parsing code, resulting in denial of service.

CVE-2015-0292

It was discovered that missing input sanitising in base64 decoding might result in memory corruption.

CVE-2015-0293

A malicious client can trigger an OPENSSL_assert (i.e., an abort) in servers that both support SSLv2 and enable export cipher suites by sending a specially crafted SSLv2 CLIENT-MASTER-KEY message.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected packages.

See Also

https://lists.debian.org/debian-lts-announce/2015/03/msg00014.html

https://packages.debian.org/source/squeeze-lts/openssl

Plugin Details

Severity: High

ID: 82162

File Name: debian_DLA-177.nasl

Version: 1.10

Type: local

Agent: unix

Published: 2015/03/26

Updated: 2018/07/06

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.5

Temporal Score: 5.5

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libcrypto0.9.8-udeb, p-cpe:/a:debian:debian_linux:libssl-dev, p-cpe:/a:debian:debian_linux:libssl0.9.8, p-cpe:/a:debian:debian_linux:libssl0.9.8-dbg, p-cpe:/a:debian:debian_linux:openssl, cpe:/o:debian:debian_linux:6.0

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

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2015/03/20

Reference Information

CVE: CVE-2015-0209, CVE-2015-0286, CVE-2015-0287, CVE-2015-0288, CVE-2015-0289, CVE-2015-0292, CVE-2015-0293

BID: 73196, 73225, 73227, 73228, 73231, 73232, 73237, 73239