__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN PeerCast Vulnerability [Debian Security Advisory DSA-1441-1] January 3, 2008 21:00 GMT Number S-099 ______________________________________________________________________________ PROBLEM: It was discovered that PeerCast, a P2P audio and video streaming server, is vulnerable to a heap overflow in the HTTP server code, which allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long SOURCE request. PLATFORM: Debian GNU/Linux 4.0 (stable) DAMAGE: Allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long SOURCE request. SOLUTION: Upgrade to the appropriate version. ______________________________________________________________________________ VULNERABILITY The risk is MEDIUM. Allows remote attackers to cause a denial ASSESSMENT: of service and possibly execute arbitrary code via a long SOURCE request. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/s-099.shtml ORIGINAL BULLETIN: http://www.debian.org/security/2007/dsa-1441 CVE: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name= CVE-2007-6454 ______________________________________________________________________________ [***** Start Debian Security Advisory DSA-1441-1 *****] Debian Security Advisory DSA-1441-1 peercast -- buffer overflow Date Reported: 28 Dec 2007 Affected Packages: peercast Vulnerable: Yes Security database references: In the Debian bugtracking system: Bug 457300. In Mitre's CVE dictionary: CVE-2007-6454. More information: Luigi Auriemma discovered that PeerCast, a P2P audio and video streaming server, is vulnerable to a heap overflow in the HTTP server code, which allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long SOURCE request. The old stable distribution (sarge) does not contain peercast. For the stable distribution (etch), this problem has been fixed in version 0.1217.toots.20060314-1etch0. For the unstable distribution (sid), this problem has been fixed in version 0.1218+svn20071220+2. We recommend that you upgrade your peercast packages. Fixed in: Debian GNU/Linux 4.0 (stable) Source: http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314-1etch0.dsc http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314.orig.tar.gz http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314-1etch0.diff.gz Architecture-independent component: http://security.debian.org/pool/updates/main/p/peercast/peercast-handlers_0.1217.toots.20060314-1etch0_all.deb Alpha: http://security.debian.org/pool/updates/main/p/peercast/libpeercast0_0.1217.toots.20060314-1etch0_alpha.deb http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314-1etch0_alpha.deb http://security.debian.org/pool/updates/main/p/peercast/libpeercast0-dev_0.1217.toots.20060314-1etch0_alpha.deb http://security.debian.org/pool/updates/main/p/peercast/peercast-servent_0.1217.toots.20060314-1etch0_alpha.deb AMD64: http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314-1etch0_amd64.deb http://security.debian.org/pool/updates/main/p/peercast/libpeercast0_0.1217.toots.20060314-1etch0_amd64.deb http://security.debian.org/pool/updates/main/p/peercast/libpeercast0-dev_0.1217.toots.20060314-1etch0_amd64.deb http://security.debian.org/pool/updates/main/p/peercast/peercast-servent_0.1217.toots.20060314-1etch0_amd64.deb ARM: http://security.debian.org/pool/updates/main/p/peercast/libpeercast0-dev_0.1217.toots.20060314-1etch0_arm.deb http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314-1etch0_arm.deb http://security.debian.org/pool/updates/main/p/peercast/libpeercast0_0.1217.toots.20060314-1etch0_arm.deb http://security.debian.org/pool/updates/main/p/peercast/peercast-servent_0.1217.toots.20060314-1etch0_arm.deb HP Precision: http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314-1etch0_hppa.deb http://security.debian.org/pool/updates/main/p/peercast/libpeercast0_0.1217.toots.20060314-1etch0_hppa.deb http://security.debian.org/pool/updates/main/p/peercast/peercast-servent_0.1217.toots.20060314-1etch0_hppa.deb http://security.debian.org/pool/updates/main/p/peercast/libpeercast0-dev_0.1217.toots.20060314-1etch0_hppa.deb Intel IA-32: http://security.debian.org/pool/updates/main/p/peercast/libpeercast0-dev_0.1217.toots.20060314-1etch0_i386.deb http://security.debian.org/pool/updates/main/p/peercast/peercast-servent_0.1217.toots.20060314-1etch0_i386.deb http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314-1etch0_i386.deb http://security.debian.org/pool/updates/main/p/peercast/libpeercast0_0.1217.toots.20060314-1etch0_i386.deb Intel IA-64: http://security.debian.org/pool/updates/main/p/peercast/peercast-servent_0.1217.toots.20060314-1etch0_ia64.deb http://security.debian.org/pool/updates/main/p/peercast/libpeercast0_0.1217.toots.20060314-1etch0_ia64.deb http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314-1etch0_ia64.deb http://security.debian.org/pool/updates/main/p/peercast/libpeercast0-dev_0.1217.toots.20060314-1etch0_ia64.deb Big-endian MIPS: http://security.debian.org/pool/updates/main/p/peercast/libpeercast0_0.1217.toots.20060314-1etch0_mips.deb http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314-1etch0_mips.deb http://security.debian.org/pool/updates/main/p/peercast/peercast-servent_0.1217.toots.20060314-1etch0_mips.deb http://security.debian.org/pool/updates/main/p/peercast/libpeercast0-dev_0.1217.toots.20060314-1etch0_mips.deb Little-endian MIPS: http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314-1etch0_mipsel.deb http://security.debian.org/pool/updates/main/p/peercast/peercast-servent_0.1217.toots.20060314-1etch0_mipsel.deb http://security.debian.org/pool/updates/main/p/peercast/libpeercast0_0.1217.toots.20060314-1etch0_mipsel.deb http://security.debian.org/pool/updates/main/p/peercast/libpeercast0-dev_0.1217.toots.20060314-1etch0_mipsel.deb PowerPC: http://security.debian.org/pool/updates/main/p/peercast/peercast-servent_0.1217.toots.20060314-1etch0_powerpc.deb http://security.debian.org/pool/updates/main/p/peercast/libpeercast0_0.1217.toots.20060314-1etch0_powerpc.deb http://security.debian.org/pool/updates/main/p/peercast/libpeercast0-dev_0.1217.toots.20060314-1etch0_powerpc.deb http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314-1etch0_powerpc.deb IBM S/390: http://security.debian.org/pool/updates/main/p/peercast/libpeercast0_0.1217.toots.20060314-1etch0_s390.deb http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314-1etch0_s390.deb http://security.debian.org/pool/updates/main/p/peercast/libpeercast0-dev_0.1217.toots.20060314-1etch0_s390.deb http://security.debian.org/pool/updates/main/p/peercast/peercast-servent_0.1217.toots.20060314-1etch0_s390.deb Sun Sparc: http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314-1etch0_sparc.deb http://security.debian.org/pool/updates/main/p/peercast/libpeercast0-dev_0.1217.toots.20060314-1etch0_sparc.deb http://security.debian.org/pool/updates/main/p/peercast/peercast-servent_0.1217.toots.20060314-1etch0_sparc.deb http://security.debian.org/pool/updates/main/p/peercast/libpeercast0_0.1217.toots.20060314-1etch0_sparc.deb MD5 checksums of the listed files are available in the original advisory. [***** End Debian Security Advisory DSA-1441-1 *****] _______________________________________________________________________________ CIAC wishes to acknowledge the contributions of Debian for the information contained in this bulletin. _______________________________________________________________________________ CIAC, the Computer Incident Advisory Capability, is the computer security incident response team for the U.S. Department of Energy (DOE) and the emergency backup response team for the National Institutes of Health (NIH). CIAC is located at the Lawrence Livermore National Laboratory in Livermore, California. CIAC is also a founding member of FIRST, the Forum of Incident Response and Security Teams, a global organization established to foster cooperation and coordination among computer security teams worldwide. CIAC services are available to DOE, DOE contractors, and the NIH. 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Neither the United States Government nor the University of California nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial products, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation or favoring by the United States Government or the University of California. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or the University of California, and shall not be used for advertising or product endorsement purposes. 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