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Red Hat: RHSA-2008:0576-01 Moderate: rdesktop Integer Underflow Issue

Updated rdesktop packages that fix a security issues are now available for Red Hat Enterprise Linux 3.An integer underflow vulnerability was discovered in the rdesktop. If an attacker could convince a victim to connect to a malicious RDP server, the attacker could cause the victim's rdesktop to crash or, possibly, execute an arbitrary code. (CVE-2008-1801) . ==================================================================== Red Hat Security Advisory Synopsis: Moderate: rdesktop security update Advisory ID: RHSA-2008:0576-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2008:0576.html Issue date: 2008-07-24 CVE Names: CVE-2008-1801 ==================================================================== 1. Summary: Updated rdesktop packages that fix a security issues are now available for Red Hat Enterprise Linux 3. This update has been rated as having moderate security impact by the Red Hat Security Response Team. 2. Relevant releases/architectures: Red Hat Enterprise Linux AS version 3 - i386, ia64, ppc, s390, s390x, x86_64 Red Hat Desktop version 3 - i386, x86_64 Red Hat Enterprise Linux ES version 3 - i386, ia64, x86_64 Red Hat Enterprise Linux WS version 3 - i386, ia64, x86_64 3. Description: rdesktop is an open source client for Microsoft Windows NT Terminal Server and Microsoft Windows 2000 and 2003 Terminal Services, capable of natively using the Remote Desktop Protocol (RDP) to present the user's NT desktop. No additional server extensions are required. An integer underflow vulnerability was discovered in the rdesktop. If an attacker could convince a victim to connect to a malicious RDP server, the attacker could cause the victim's rdesktop to crash or, possibly, execute an arbitrary code. (CVE-2008-1801) Users of rdesktop should upgrade to these updated packages, which contain a backported patch to resolve this issue. 4. Solution: Beforeapplying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at 5. Bugs fixed (http://bugzilla.redhat.com/): 445825 - CVE-2008-1801 rdesktop: iso_recv_msg() Integer Underflow Vulnerability 6. Package List: Red Hat Enterprise Linux AS version 3: Source: i386: rdesktop-1.2.0-3.i386.rpm rdesktop-debuginfo-1.2.0-3.i386.rpm ia64: rdesktop-1.2.0-3.ia64.rpm rdesktop-debuginfo-1.2.0-3.ia64.rpm ppc: rdesktop-1.2.0-3.ppc.rpm rdesktop-debuginfo-1.2.0-3.ppc.rpm s390: rdesktop-1.2.0-3.s390.rpm rdesktop-debuginfo-1.2.0-3.s390.rpm s390x: rdesktop-1.2.0-3.s390x.rpm rdesktop-debuginfo-1.2.0-3.s390x.rpm x86_64: rdesktop-1.2.0-3.x86_64.rpm rdesktop-debuginfo-1.2.0-3.x86_64.rpm Red Hat Desktop version 3: Source: i386: rdesktop-1.2.0-3.i386.rpm rdesktop-debuginfo-1.2.0-3.i386.rpm x86_64: rdesktop-1.2.0-3.x86_64.rpm rdesktop-debuginfo-1.2.0-3.x86_64.rpm Red Hat Enterprise Linux ES version 3: Source: i386: rdesktop-1.2.0-3.i386.rpm rdesktop-debuginfo-1.2.0-3.i386.rpm ia64: rdesktop-1.2.0-3.ia64.rpm rdesktop-debuginfo-1.2.0-3.ia64.rpm x86_64: rdesktop-1.2.0-3.x86_64.rpm rdesktop-debuginfo-1.2.0-3.x86_64.rpm Red Hat Enterprise Linux WS version 3: Source: i386: rdesktop-1.2.0-3.i386.rpm rdesktop-debuginfo-1.2.0-3.i386.rpm ia64: rdesktop-1.2.0-3.ia64.rpm rdesktop-debuginfo-1.2.0-3.ia64.rpm x86_64: rdesktop-1.2.0-3.x86_64.rpm rdesktop-debuginfo-1.2.0-3.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key#package 7. References: https://www.cve.org/CVERecord?id=CVE-2008-1801 https://access.redhat.com/security/updates/classification#moderate 8. Contact: The Red Hat security contact is . More contact details athttps://access.redhat.com/security/team/contact/ Copyright 2008 Red Hat, Inc. . CentOS' recent bulletins enhance Samba addressing a buffer overflow flaw, vital for preserving server security and reliability.. rdesktop Update, Red Hat Security, Integer Underflow Fix. . LinuxSecurity.com Team

Jul 24, 2008 Red Hat