- Issued:
- 2012-06-20
- Updated:
- 2012-06-20
RHSA-2012:0876 - Moderate: net-snmp security and bug fix update
Synopsis
Moderate: net-snmp security and bug fix update
Type/Severity
Security Advisory Moderate
Topic
Updated net-snmp packages that fix one security issue and multiple bugs are now available for Red Hat Enterprise Linux 6.
The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.
Description
The net-snmp packages provide various libraries and tools for the Simple Network Management Protocol (SNMP), including an SNMP library, an extensible agent, tools for requesting or setting information from SNMP agents, tools for generating and handling SNMP traps, a version of the netstat command which uses SNMP, and a Tk/Perl Management Information Base (MIB) browser.
An array index error, leading to an out-of-bounds buffer read flaw, was found in the way the net-snmp agent looked up entries in the extension table. A remote attacker with read privileges to a Management Information Base (MIB) subtree handled by the "extend" directive (in "/etc/snmp/snmpd.conf") could use this flaw to crash snmpd via a crafted SNMP GET request. (CVE-2012-2141)
These updated net-snmp packages also include numerous bug fixes. Space precludes documenting all of these changes in this advisory. Users are directed to the Red Hat Enterprise Linux 6.3 Technical Notes for information on the most significant of these changes.
All users of net-snmp are advised to upgrade to these updated packages, which contain backported patches to resolve these issues. After installing the update, the snmpd and snmptrapd daemons will be restarted automatically.
Solution
Before applying this update, make sure all previously-released errata relevant to your system have been applied.
This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258
Affected Products
| Product | Version | Arch |
|---|---|---|
| Red Hat Enterprise Linux for Scientific Computing | 6 | x86_64 |
| Red Hat Enterprise Linux for Power, big endian | 6 | ppc64 |
| Red Hat Enterprise Linux for IBM z Systems | 6 | s390x |
| Red Hat Enterprise Linux Workstation | 6 | x86_64 |
| Red Hat Enterprise Linux Workstation | 6 | i386 |
| Red Hat Enterprise Linux Server | 6 | x86_64 |
| Red Hat Enterprise Linux Server | 6 | i386 |
| Red Hat Enterprise Linux Server from RHUI | 6 | x86_64 |
| Red Hat Enterprise Linux Server from RHUI | 6 | i386 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support | 6 | x86_64 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support | 6 | i386 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension | 6 | x86_64 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension | 6 | i386 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension (for IBM z Systems) | 6 | s390x |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) | 6 | s390x |
| Red Hat Enterprise Linux Desktop | 6 | x86_64 |
| Red Hat Enterprise Linux Desktop | 6 | i386 |
Updated Packages
- net-snmp-5.5-41.el6.x86_64.rpm
- net-snmp-5.5-41.el6.ppc64.rpm
- net-snmp-devel-5.5-41.el6.s390x.rpm
- net-snmp-python-5.5-41.el6.x86_64.rpm
- net-snmp-python-5.5-41.el6.ppc64.rpm
- net-snmp-python-5.5-41.el6.s390x.rpm
- net-snmp-libs-5.5-41.el6.ppc64.rpm
- net-snmp-devel-5.5-41.el6.i686.rpm
- net-snmp-perl-5.5-41.el6.x86_64.rpm
- net-snmp-5.5-41.el6.s390x.rpm
- net-snmp-libs-5.5-41.el6.i686.rpm
- net-snmp-devel-5.5-41.el6.ppc64.rpm
- net-snmp-devel-5.5-41.el6.s390.rpm
- net-snmp-debuginfo-5.5-41.el6.s390x.rpm
- net-snmp-debuginfo-5.5-41.el6.i686.rpm
- net-snmp-perl-5.5-41.el6.s390x.rpm
- net-snmp-debuginfo-5.5-41.el6.ppc.rpm
- net-snmp-libs-5.5-41.el6.s390.rpm
- net-snmp-libs-5.5-41.el6.s390x.rpm
- net-snmp-libs-5.5-41.el6.ppc.rpm
- net-snmp-debuginfo-5.5-41.el6.x86_64.rpm
- net-snmp-5.5-41.el6.i686.rpm
- net-snmp-5.5-41.el6.src.rpm
- net-snmp-utils-5.5-41.el6.x86_64.rpm
- net-snmp-debuginfo-5.5-41.el6.s390.rpm
- net-snmp-utils-5.5-41.el6.s390x.rpm
- net-snmp-libs-5.5-41.el6.x86_64.rpm
- net-snmp-debuginfo-5.5-41.el6.ppc64.rpm
- net-snmp-perl-5.5-41.el6.i686.rpm
- net-snmp-utils-5.5-41.el6.i686.rpm
- net-snmp-devel-5.5-41.el6.ppc.rpm
- net-snmp-python-5.5-41.el6.i686.rpm
- net-snmp-utils-5.5-41.el6.ppc64.rpm
- net-snmp-perl-5.5-41.el6.ppc64.rpm
- net-snmp-devel-5.5-41.el6.x86_64.rpm
Fixes
- This content is not included.BZ - 736580
- This content is not included.BZ - 748410
- This content is not included.BZ - 754275
- This content is not included.BZ - 757685
- This content is not included.BZ - 786931
- This content is not included.BZ - 788954
- This content is not included.BZ - 799291
- This content is not included.BZ - 815813
- This content is not included.BZ - 822480
CVEs
References
- https://access.redhat.com/security/updates/classification/#moderate
- https://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/6.3_Technical_Notes/net-snmp.html#RHSA-2012-0876
Additional information
- The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
- Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.