Apache mod_ssl format string attack
| apache-modssl-format-string (16705) |  High Risk |
Description:
The mod_ssl authentication module is vulnerable to a format string attack, caused by a vulnerability in the ssl_log function within the mod_proxy hook functions. A remote attacker could exploit this vulnerability to gain access to the system.
Consequences:
Gain Access
Remedy:
Upgrade to the latest version of mod_ssl (2.8.19-1.3.31 or later), available from the mod_ssl Web site. See References.
For OpenPKG:
Upgrade to the latest apache package, as listed in OpenPKG Security Advisory OpenPKG-SA-2004.032. See References.
OpenPKG 2.0: 1.3.29-2.0.4 or later
OpenPKG 2.1: 1.3.31-2.1.1 or later
OpenPKG CURRENT: 1.3.31-20040716 or later
OpenPKG 1.3: 1.3.28-1.3.6 or later
For Gentoo Linux:
Upgrade to the latest version of mod_ssl (2.8.19 or later), as listed in GLSA 200407-18. See References.
For Debian GNU/Linux 3.0 (alias woody):
Upgrade to the latest mod-ssl package (2.8.9-2.3 or later), as listed in DSA-532-1. See References.
For Slackware Linux:
Upgrade to the latest mod-ssl package, as listed below. Refer to slackware-security Mailing List, Sun, 25 Jul 2004 20:24:56 -0700 (PDT) for more information. See References.
Slackware Linux 9.0 and 8.1: 2.8.19_1.3.31-i386-1 or later
Slackware Linux 9.1, 10.0 and -current: 2.8.19_1.3.31-i486-1 or later
For Mandrake Linux:
Upgrade to the latest mod-ssl package, as listed below.Refer to MandrakeSoft Security Advisory MDKSA-2004:075 : mod_ssl for more information.See References.
Mandrake Linux 9.1: 2.8.12-8.2.91mdk or later
Mandrake Linux 9.2: 2.8.15-1.2.92mdk or later
Mandrake Linux Multi Network Firewall 8.2: 2.8.7-3.4.M82mdk or later
Mandrake Linux Corporate Server 2.1: 2.8.10-5.4.C21mdk or later
Mandrake Linux 10.0: 2.8.16-1.2.100mdk or later
For Conectiva Linux:
Upgrade to the latest mod-ssl package, as listed below. Refer to Conectiva Linux Security Announcement CLSA-2004:857 for more information. See References.
Conectiva Linux 8: 1.3.28-1U80_5cl or later
For Red Hat Linux:
Upgrade to the latest mod-ssl package, as listed below. Refer to RHSA-2004:408-05 for more information. See References.
Red Hat Enterprise Linux AS (v. 2.1), ES (v. 2.1), WS (v. 2.1), and Red Hat Linux Advanced Workstation 2.1 for the Itanium Processor: 2.8.12-6 or later
For HP-UX 11.00, 11.11, 11.22, and 11.20:
Apply the appropriate patch for your system, as listed in Hewlett-Packard Company Security Bulletin HPSBUX01098. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
References:
- CIAC Information Bulletin 0-188: libapache-mod-ssl.
- Conectiva Linux Security Announcement CLSA-2004:857: Format string vulnerability with mod_ssl.
- mod_ssl Web site: mod_ssl: The Apache Interface to OpenSSL.
- Slackware-Security Mailing List, Sun, 25 Jul 2004 20:24:56 -0700 (PDT): new mod_ssl packages.
- BID-10736: Apache 'mod_ssl' Log Function Format String Vulnerability
- CVE-2004-0700: Format string vulnerability in the mod_proxy hook functions function in ssl_engine_log.c in mod_ssl before 2.8.19 for Apache before 1.3.31 may allow remote attackers to execute arbitrary messages via format string specifiers in certain log messages for HTTPS that are handled by the ssl_log function.
- DSA-532: libapache-mod-ssl -- several vulnerabilities
- GLSA-200407-18: mod_ssl: Format string vulnerability
- MDKSA-2004:075: Updated mod_ssl packages fix potential vulnerabilities
- OpenPKG-SA-2004.032: Apache mod_ssl
- OSVDB ID: 7929: Apache HTTP Server mod_ssl ssl_log Function Format String
- RHSA-2004-408: mod_ssl security update
- RHSA-2008-0523: Low: Red Hat Network Proxy Server security update
Platforms Affected:
- Canonical Ubuntu 4.10
- Canonical Ubuntu 5.04
- Conectiva Linux 8.0
- Debian Debian Linux 3.0
- Gentoo Linux
- HP HP-UX 11.00
- HP HP-UX 11.11
- HP HP-UX 11.20
- HP HP-UX 11.22
- MandrakeSoft Mandrake Linux 10.0 AMD64
- MandrakeSoft Mandrake Linux 10.0
- MandrakeSoft Mandrake Linux 9.1
- MandrakeSoft Mandrake Linux 9.1 PPC
- MandrakeSoft Mandrake Linux 9.2 AMD64
- MandrakeSoft Mandrake Linux 9.2
- MandrakeSoft Mandrake Linux Corporate Server 2.1
- MandrakeSoft Mandrake Linux Corporate Server 2.1 X86_64
- MandrakeSoft Mandrake Multi Network Firewall 8.2
- ModSSL Mod SSL 2.x
- OpenPKG OpenPKG 1.3
- OpenPKG OpenPKG 2.0
- OpenPKG OpenPKG 2.1
- OpenPKG OpenPKG CURRENT
- RedHat Enterprise Linux 2.1 AS
- RedHat Enterprise Linux 2.1 ES
- RedHat Enterprise Linux 2.1 WS
- RedHat Enterprise Linux 2.1 AW
- RedHat Linux Advanced Workstation 2.1 Itanium
- RedHat Network Proxy 4.2
- Slackware Slackware Linux 10.0
- Slackware Slackware Linux 8.1
- Slackware Slackware Linux 9.0
- Slackware Slackware Linux 9.1
- Slackware Slackware Linux current
- Turbolinux Turbolinux 7 Server
- Turbolinux Turbolinux 8 Server
- Turbolinux Turbolinux Appliance Server 1.0 Hosting Ed
- Turbolinux Turbolinux Appliance Server 1.0 Workgroup Ed
Reported:
Jul 16, 2004
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