zlib inflate and inflateback denial of service
| zlib-inflate-inflateback-dos (17119) |  Medium Risk |
Description:
zlib is vulnerable to a denial of service attack, caused by improper handling of errors in the inflate and inflateback functions. A remote attacker could use this vulnerability to cause a denial of service.
Consequences:
Denial of Service
Remedy:
Upgrade to the latest version of zlib (1.2.2 or later), available fom the zlib Web site. See References.
For OpenPKG:
Refer to OpenPKG Security Advisory OpenPKG-SA-2005.007 for patch, upgrade, or suggested workaround information. See References.
For Trustix Secure Linux:
Upgrade to the latest zlib package, as listed below. Refer to Trustix Secure Linux Security Advisory #2004-0043 for more information. See References.
Trustix Secure Linux 2.0: 1.7.1-15tr.i586 or later
Trustix Secure Linux 2.1: 2.2.1-5tr.i586 or later
Trustix Secure Linux 1.5: 2.2.11-0.1tr.i586 or later
Trustix Operating System - Enterprise Server 2: 2.2.1-5tr.i586 or later
For Gentoo Linux:
Upgrade to the latest version of zlib (1.2.1-r3 or later), as listed in GLSA 200408-26. See References.
For SuSE Linux:
Upgrade to the latest zlib package, as listed below. Refer to SuSE Security Announcement SuSE-SUSE-SA:2004:029 for more information. See References.
SuSE Linux 9.1: 1.2.1-70.6 or later
For Mandrake Linux:
Upgrade to the latest zlib package, as listed below. Refer to MandrakeSoft Security Advisory MDKSA-2004:090 : zlib for more information. See References.
Mandrake Linux 10.0: 1.2.1-2.1.100mdk or later
For Conectiva Linux:
Upgrade to the latest zlib package, as listed below. Refer to Conectiva Linux Security Announcement CLSA-2004:865 for more information. See References.
Conectiva Linux 10: 1.2.1-47972U10_1cl or later
For Slackware Linux:
Upgrade to the latest zlib package, as listed below. Refer to Slackware Security Announcement SSA:2004-278-02 for more information. See References.
Slackware Linux 10: zlib-1.2.2l or later
Slackware Linux -current: zlib-1.2.2l or later
For SCO UnixWare 7.1.4, and UnixWare 7.1.3:
Upgrade to the appropriate fixed binaries, as listed in SCO Security Advisory SCOSA-2004.17. See References.
For Conectiva Linux:
Upgrade to the latest zlib package, as listed below. Refer to Conectiva Linux Security Announcement CLSA-2004:878 for more information. See References.
Conectiva Linux 10: 1.2.1-47972U10_2cl or later
For other distributions:
Contact your vendor for upgrade or patch information.
References:
- BugTraq Mailing List, Mon Nov 01 2004 - 15:43:35 CST: zlib 1.2.2 released.
- Conectiva Linux Security Announcement CLSA-2004:865: Fix for denial of service vulnerabilities.
- Conectiva Linux Security Announcement CLSA-2004:878: Fix for denial of service vulnerabilities.
- Debian Bug Report Log - #252253: SIGSEGV in zlib1g 1.2.1.1-3 with pwzip-file.
- Slackware Security Advisory Mon, 4 Oct 2004 12:52:54 -0700 (PDT): zlib DoS.
- Trustix Secure Linux Security Advisory #2004-0043: Multiple vulnerabilities.
- zlib Web site: zlib Home site.
- BID-11051: Zlib Compression Library Denial Of Service Vulnerability
- CVE-2004-0797: The error handling in the (1) inflate and (2) inflateBack functions in ZLib compression library 1.2.x allows local users to cause a denial of service (application crash).
- GLSA-200408-26: zlib: Denial of service vulnerability
- MDKSA-2004:090: Updated zlib packages fix DoS vulnerability
- OpenPKG-SA-2004.038: zlib
- OpenPKG-SA-2005.007: CVS
- OSVDB ID: 9360: zlib inflate Function Error Handling DoS
- OSVDB ID: 9361: zlib inflateBack Function Error Handling DoS
- SA11129: zlib Denial of Service Vulnerability
- SA17054: CVS zlib Vulnerabilities
- SECTRACK ID: 1011085: Zlib Error Handling Bug in inflate() and inflateBack() Lets Remote Users Deny Service
- SUSE-SA:2004:029: zlib: denial of service
- US-CERT VU#238678: The zlib compression library is vulnerable to a denial-of-service condition
Platforms Affected:
- Conectiva Linux 10
- Gentoo Linux
- GNU zlib 1.2.1
- GNU zlib 1.2.1.3
- GNU zlib 1.2.2
- MandrakeSoft Mandrake Linux 10.0 AMD64
- MandrakeSoft Mandrake Linux 10.0
- OpenPKG OpenPKG 2.0
- OpenPKG OpenPKG 2.1
- OpenPKG OpenPKG 2.2
- OpenPKG OpenPKG 2.3
- OpenPKG OpenPKG CURRENT
- SCO SCO UnixWare 7.1.3up
- SCO SCO UnixWare 7.1.4
- SuSE Linux Enterprise Server 9
- SUSE SuSE Linux 9.1
- SuSE SuSE SLES 9
- Trustix Enterprise Server 2
- Trustix Secure Linux 1.5
- Trustix Secure Linux 2.0
- Trustix Secure Linux 2.1
Reported:
Aug 25, 2004
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