Executive Summary

Summary
Title Exim vulnerability
Informations
Name USN-1032-1 First vendor Publication 2010-12-11
Vendor Ubuntu Last vendor Modification 2010-12-11
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:C/I:C/A:C)
Cvss Base Score 9.3 Attack Range Network
Cvss Impact Score 10 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects the following Ubuntu releases:

Ubuntu 6.06 LTS Ubuntu 8.04 LTS Ubuntu 9.10

This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu.

The problem can be corrected by upgrading your system to the following package versions:

Ubuntu 6.06 LTS:
exim4-daemon-custom 4.60-3ubuntu3.2
exim4-daemon-heavy 4.60-3ubuntu3.2
exim4-daemon-light 4.60-3ubuntu3.2

Ubuntu 8.04 LTS:
exim4-daemon-custom 4.69-2ubuntu0.2
exim4-daemon-heavy 4.69-2ubuntu0.2
exim4-daemon-light 4.69-2ubuntu0.2

Ubuntu 9.10:
exim4-daemon-custom 4.69-11ubuntu4.1
exim4-daemon-heavy 4.69-11ubuntu4.1
exim4-daemon-light 4.69-11ubuntu4.1

In general, a standard system update will make all the necessary changes.

Details follow:

Sergey Kononenko and Eugene Bujak discovered that Exim did not correctly truncate string expansions. A remote attacker could send specially crafted email traffic to run arbitrary code as the Exim user, which could also lead to root privileges.

Original Source

Url : http://www.ubuntu.com/usn/USN-1032-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-119 Failure to Constrain Operations within the Bounds of a Memory Buffer

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:13170
 
Oval ID: oval:org.mitre.oval:def:13170
Title: USN-1032-1 -- exim4 vulnerability
Description: Sergey Kononenko and Eugene Bujak discovered that Exim did not correctly truncate string expansions. A remote attacker could send specially crafted email traffic to run arbitrary code as the Exim user, which could also lead to root privileges.
Family: unix Class: patch
Reference(s): USN-1032-1
CVE-2010-4344
Version: 5
Platform(s): Ubuntu 8.04
Ubuntu 9.10
Ubuntu 6.06
Product(s): exim4
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:22059
 
Oval ID: oval:org.mitre.oval:def:22059
Title: RHSA-2010:0970: exim security update (Critical)
Description: Heap-based buffer overflow in the string_vformat function in string.c in Exim before 4.70 allows remote attackers to execute arbitrary code via an SMTP session that includes two MAIL commands in conjunction with a large message containing crafted headers, leading to improper rejection logging.
Family: unix Class: patch
Reference(s): RHSA-2010:0970-01
CVE-2010-4344
Version: 4
Platform(s): Red Hat Enterprise Linux 5
Product(s): exim
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:23061
 
Oval ID: oval:org.mitre.oval:def:23061
Title: ELSA-2010:0970: exim security update (Critical)
Description: Heap-based buffer overflow in the string_vformat function in string.c in Exim before 4.70 allows remote attackers to execute arbitrary code via an SMTP session that includes two MAIL commands in conjunction with a large message containing crafted headers, leading to improper rejection logging.
Family: unix Class: patch
Reference(s): ELSA-2010:0970-01
CVE-2010-4344
Version: 6
Platform(s): Oracle Linux 5
Product(s): exim
Definition Synopsis:

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 66

OpenVAS Exploits

Date Description
2012-07-30 Name : CentOS Update for exim CESA-2010:0970 centos4 x86_64
File : nvt/gb_CESA-2010_0970_exim_centos4_x86_64.nasl
2011-01-31 Name : CentOS Update for exim CESA-2010:0970 centos4 i386
File : nvt/gb_CESA-2010_0970_exim_centos4_i386.nasl
2011-01-04 Name : SuSE Update for exim SUSE-SA:2010:059
File : nvt/gb_suse_2010_059.nasl
2010-12-28 Name : RedHat Update for exim RHSA-2010:0970-01
File : nvt/gb_RHSA-2010_0970-01_exim.nasl
2010-12-28 Name : Ubuntu Update for exim4 vulnerability USN-1032-1
File : nvt/gb_ubuntu_USN_1032_1.nasl

Open Source Vulnerability Database (OSVDB)

Id Description
69685 Exim string_format Function Remote Overflow

Exim is prone to a remote overflow condition. The string_format function fails to properly sanitize user-supplied input resulting in a heap buffer overflow. With a specially crafted request, a local attacker can potentially cause arbitrary code execution.

Nessus® Vulnerability Scanner

Date Description
2014-06-13 Name : The remote openSUSE host is missing a security update.
File : suse_11_3_exim-101211.nasl - Type : ACT_GATHER_INFO
2014-01-28 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201401-32.nasl - Type : ACT_GATHER_INFO
2013-07-12 Name : The remote Oracle Linux host is missing one or more security updates.
File : oraclelinux_ELSA-2010-0970.nasl - Type : ACT_GATHER_INFO
2012-08-01 Name : The remote Scientific Linux host is missing one or more security updates.
File : sl_20101210_exim_on_SL4_x.nasl - Type : ACT_GATHER_INFO
2011-05-05 Name : The remote openSUSE host is missing a security update.
File : suse_11_1_exim-101211.nasl - Type : ACT_GATHER_INFO
2011-05-05 Name : The remote openSUSE host is missing a security update.
File : suse_11_2_exim-101211.nasl - Type : ACT_GATHER_INFO
2011-01-28 Name : The remote CentOS host is missing one or more security updates.
File : centos_RHSA-2010-0970.nasl - Type : ACT_GATHER_INFO
2010-12-15 Name : The remote service has a buffer overflow.
File : exim_string_vformat.nasl - Type : ACT_ATTACK
2010-12-12 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-2131.nasl - Type : ACT_GATHER_INFO
2010-12-12 Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2010-0970.nasl - Type : ACT_GATHER_INFO
2010-12-12 Name : The remote Ubuntu host is missing one or more security-related patches.
File : ubuntu_USN-1032-1.nasl - Type : ACT_GATHER_INFO

Alert History

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0
Date Informations
2014-02-17 11:58:08
  • Multiple Updates