__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN suphp Vulnerability [Debian Security Advisory DSA-1550-1] April 25, 2008 12:00 GMT Number S-278 ______________________________________________________________________________ PROBLEM: It was discovered that suphp, an Apache module to run PHP scripts with owner permissions handles symlinks insecurely, which may lead to privilege escalation by local users. PLATFORM: Debian GNU/Linux 4.0 (stable) DAMAGE: Privilege escalation. SOLUTION: Upgrade to the appropriate version. ______________________________________________________________________________ VULNERABILITY The risk is LOW. May lead to privilege escalation by local ASSESSMENT: users. ______________________________________________________________________________ CVSS 2 BASE SCORE: 3.2 TEMPORAL SCORE: 2.6 VECTOR: (AV:L/AC:L/Au:S/C:P/I:P/A:N/E:F/RL:OF/RC:C) ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/s-278.shtml ORIGINAL BULLETIN: http://www.debian.org/security/2008/dsa-1550 CVE: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name= CVE-2008-1614 ______________________________________________________________________________ [***** Start Debian Security Advisory DSA-1550-1 *****] Debian Security Advisory DSA-1550-1 suphp -- programming error Date Reported: 17 Apr 2008 Affected Packages: suphp Vulnerable: Yes Security database references: In the Debian bugtracking system: Bug 475431. In Mitre's CVE dictionary: CVE-2008-1614. More information: It was discovered that suphp, an Apache module to run PHP scripts with owner permissions handles symlinks insecurely, which may lead to privilege escalation by local users. For the stable distribution (etch), this problem has been fixed in version 0.6.2-1+etch0. For the unstable distribution (sid), this problem will be fixed soon. We recommend that you upgrade your suphp packages. Fixed in: Debian GNU/Linux 4.0 (stable) Source: http://security.debian.org/pool/updates/main/s/suphp/suphp_0.6.2-1+etch0.diff.gz http://security.debian.org/pool/updates/main/s/suphp/suphp_0.6.2.orig.tar.gz http://security.debian.org/pool/updates/main/s/suphp/suphp_0.6.2-1+etch0.dsc Alpha: http://security.debian.org/pool/updates/main/s/suphp/libapache-mod-suphp_0.6.2-1+etch0_alpha.deb http://security.debian.org/pool/updates/main/s/suphp/suphp-common_0.6.2-1+etch0_alpha.deb http://security.debian.org/pool/updates/main/s/suphp/libapache2-mod-suphp_0.6.2-1+etch0_alpha.deb AMD64: http://security.debian.org/pool/updates/main/s/suphp/libapache-mod-suphp_0.6.2-1+etch0_amd64.deb http://security.debian.org/pool/updates/main/s/suphp/suphp-common_0.6.2-1+etch0_amd64.deb http://security.debian.org/pool/updates/main/s/suphp/libapache2-mod-suphp_0.6.2-1+etch0_amd64.deb ARM: http://security.debian.org/pool/updates/main/s/suphp/suphp-common_0.6.2-1+etch0_arm.deb http://security.debian.org/pool/updates/main/s/suphp/libapache2-mod-suphp_0.6.2-1+etch0_arm.deb http://security.debian.org/pool/updates/main/s/suphp/libapache-mod-suphp_0.6.2-1+etch0_arm.deb HP Precision: http://security.debian.org/pool/updates/main/s/suphp/suphp-common_0.6.2-1+etch0_hppa.deb http://security.debian.org/pool/updates/main/s/suphp/libapache-mod-suphp_0.6.2-1+etch0_hppa.deb http://security.debian.org/pool/updates/main/s/suphp/libapache2-mod-suphp_0.6.2-1+etch0_hppa.deb Intel IA-32: http://security.debian.org/pool/updates/main/s/suphp/libapache2-mod-suphp_0.6.2-1+etch0_i386.deb http://security.debian.org/pool/updates/main/s/suphp/libapache-mod-suphp_0.6.2-1+etch0_i386.deb http://security.debian.org/pool/updates/main/s/suphp/suphp-common_0.6.2-1+etch0_i386.deb Intel IA-64: http://security.debian.org/pool/updates/main/s/suphp/libapache2-mod-suphp_0.6.2-1+etch0_ia64.deb http://security.debian.org/pool/updates/main/s/suphp/libapache-mod-suphp_0.6.2-1+etch0_ia64.deb http://security.debian.org/pool/updates/main/s/suphp/suphp-common_0.6.2-1+etch0_ia64.deb Big-endian MIPS: http://security.debian.org/pool/updates/main/s/suphp/suphp-common_0.6.2-1+etch0_mips.deb http://security.debian.org/pool/updates/main/s/suphp/libapache-mod-suphp_0.6.2-1+etch0_mips.deb http://security.debian.org/pool/updates/main/s/suphp/libapache2-mod-suphp_0.6.2-1+etch0_mips.deb Little-endian MIPS: http://security.debian.org/pool/updates/main/s/suphp/suphp-common_0.6.2-1+etch0_mipsel.deb http://security.debian.org/pool/updates/main/s/suphp/libapache2-mod-suphp_0.6.2-1+etch0_mipsel.deb http://security.debian.org/pool/updates/main/s/suphp/libapache-mod-suphp_0.6.2-1+etch0_mipsel.deb PowerPC: http://security.debian.org/pool/updates/main/s/suphp/libapache-mod-suphp_0.6.2-1+etch0_powerpc.deb http://security.debian.org/pool/updates/main/s/suphp/libapache2-mod-suphp_0.6.2-1+etch0_powerpc.deb http://security.debian.org/pool/updates/main/s/suphp/suphp-common_0.6.2-1+etch0_powerpc.deb IBM S/390: http://security.debian.org/pool/updates/main/s/suphp/suphp-common_0.6.2-1+etch0_s390.deb http://security.debian.org/pool/updates/main/s/suphp/libapache-mod-suphp_0.6.2-1+etch0_s390.deb http://security.debian.org/pool/updates/main/s/suphp/libapache2-mod-suphp_0.6.2-1+etch0_s390.deb MD5 checksums of the listed files are available in the original advisory. [***** End Debian Security Advisory DSA-1550-1 *****] _______________________________________________________________________________ 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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