VMware ESXi Multiple OpenSSL Vulnerabilities (VMSA-2014-0006)

Medium Nessus Plugin ID 87678

Synopsis

The remote VMware ESXi host is missing a security-related patch.

Description

The remote VMware ESXi host is affected by multiple vulnerabilities in the OpenSSL third-party library :

- A use-after-free error exists in the ssl3_read_bytes() function in file ssl/s3_pkt.c that is triggered when a second read is done to the function by multiple threads when SSL_MODE_RELEASE_BUFFERS is enabled. A man-in-the-middle attacker can exploit this to dereference already freed memory and inject arbitrary data into the SSL stream. (CVE-2010-5298)

- A NULL pointer dereference flaw exists in the do_ssl3_write() function in file ssl/s3_pkt.c due to a failure to properly manage a buffer pointer during certain recursive calls when SSL_MODE_RELEASE_BUFFERS is enabled. A remote attacker can exploit this, by triggering an alert condition, to cause a denial of service. (CVE-2014-0198)

- A flaw exists due to a failure to properly restrict processing of ChangeCipherSpec messages. A man-in-the-middle attacker can exploit this, via a crafted TLS handshake, to force the use of a zero-length master key in certain OpenSSL-to-OpenSSL communications, resulting in the session being hijacked and sensitive information being disclosed. (CVE-2014-0224)

- A NULL pointer dereference flaw exists in the ssl3_send_client_key_exchange() function in file s3_clnt.c, when an anonymous ECDH cipher suite is used, that allows a remote attacker to cause a denial of service. (CVE-2014-3470)

Solution

Apply the appropriate patch according to the vendor advisory that pertains to ESXi version 5.0 / 5.1 / 5.5.

See Also

https://www.vmware.com/security/advisories/VMSA-2014-0006

http://lists.vmware.com/pipermail/security-announce/2014/000276.html

Plugin Details

Severity: Medium

ID: 87678

File Name: vmware_VMSA-2014-0006_remote.nasl

Version: 1.4

Type: remote

Family: Misc.

Published: 2015/12/30

Updated: 2018/08/06

Dependencies: 57396

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 6.8

Temporal Score: 5.6

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

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

Vulnerability Information

CPE: cpe:/o:vmware:esxi:5.0, cpe:/o:vmware:esxi:5.1, cpe:/o:vmware:esxi:5.5

Required KB Items: Host/VMware/version, Host/VMware/release

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2014/10/09

Vulnerability Publication Date: 2014/04/11

Exploitable With

Core Impact

Reference Information

CVE: CVE-2010-5298, CVE-2014-0198, CVE-2014-0224, CVE-2014-3470

BID: 66801, 67193, 67898, 67899

VMSA: 2014-0006

CERT: 978508