Test ID:	1.3.6.1.4.1.25623.1.0.52252
Category:	FreeBSD Local Security Checks
Title:	exim -- two buffer overflow vulnerabilities
Summary:	The remote host is missing an update to the system; as announced in the referenced advisory.
Description:	Summary: The remote host is missing an update to the system as announced in the referenced advisory. Vulnerability Insight: The following packages are affected: exim, exim-ldap, exim-ldap2, exim-mysql, exim-postgresql, exim-sa-exim CVE-2005-0021 Multiple buffer overflows in Exim before 4.43 may allow attackers to execute arbitrary code via (1) an IPv6 address with more than 8 components, as demonstrated using the -be command line option, which triggers an overflow in the host_aton function, or (2) the -bh command line option or dnsdb PTR lookup, which triggers an overflow in the dns_build_reverse function. CVE-2005-0022 Buffer overflow in the spa_base64_to_bits function in Exim before 4.43, as originally obtained from Samba code, and as called by the auth_spa_client function, may allow attackers to execute arbitrary code during SPA authentication. Solution: Update your system with the appropriate patches or software upgrades. CVSS Score: 7.2 CVSS Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2005-0021 CERT/CC vulnerability note: VU#132992 http://www.kb.cert.org/vuls/id/132992 Debian Security Information: DSA-635 (Google Search) http://www.debian.org/security/2005/dsa-635 Debian Security Information: DSA-637 (Google Search) http://www.debian.org/security/2005/dsa-637 http://security.gentoo.org/glsa/glsa-200501-23.xml http://www.idefense.com/application/poi/display?id=179&type=vulnerabilities http://www.idefense.com/application/poi/display?id=183&type=vulnerabilities http://www.exim.org/mail-archives/exim-users/Week-of-Mon-20050103/msg00028.html https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10347 http://www.redhat.com/support/errata/RHSA-2005-025.html Common Vulnerability Exposure (CVE) ID: CVE-2005-0022 BugTraq ID: 12188 http://www.securityfocus.com/bid/12188 Bugtraq: 20050212 exim auth_spa_server() PoC exploit (Google Search) http://marc.info/?l=bugtraq&m=110824870908614&w=2 http://www.idefense.com/application/poi/display?id=178&type=vulnerabilities https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11293
Copyright	Copyright (C) 2008 E-Soft Inc.

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