LPRng can pass user-supplied input as a format string parameter to syslog() calls

Overview A popular replacement software package to the BSD lpd printing service called LPRng contains at least one software defect known as a "format string vulnerability" which may allow remote users to execute arbitrary code on vulnerable systems. The privileges of such code will probably be...

FreeBSD-SA-00:56.lprng

-----BEGIN PGP SIGNED MESSAGE----- ============================================================================= FreeBSD-SA-00:56 Security Advisory FreeBSD, Inc. Topic: LPRng contains potential root compromise Category: ports Module: LPRng Announced: 2000-10-13 Credits: Chris Evans Affects: Ports...

[RHSA-2000:066-03] lpr has a format string security bug, LPRng compat issues, and a race cond.

--------------------------------------------------------------------- Red Hat, Inc. Security Advisory Synopsis: lpr has a format string security bug, LPRng compat issues, and a race cond. Advisory ID: RHSA-2000:066-03 Issue date: 2000-09-25 Updated on: 2000-10-04 Product: Red Hat Linux Keywords:...

Дырка в LPRng и lpr.

Ошибка форматной строки в lpd, причем последний работает как suid root. Кроме того ошибки форматной строки и преобразования данных в lpr...

LPRng use_syslog() Remote Format String Arbitrary Command Execution

LPRng seems to be running on this port. Versions of LPRng prior to 3.6.24 are missing format string arguments in at least two calls to 'syslog' that handle user-supplied input. Using specially crafted input with format strings, an unauthenticated, remote attacker may be able to leverage these...

Format strings: bug #2: LPRng

Hi, SUMMARY ------- LPRng is almost certainly vulnerable to remote-root compromise on account of a format string bug. The flaw is almost identical to the rpc.statd one I found; namely a faulty syslog wrapper. This is becoming a very common flaw. Details ------- Here is a code excerpt from:...

LPRng use_syslog Remote Format String Vulnerability

This module exploits a format string vulnerability in the LPRng print server. This vulnerability was discovered by Chris Evans. There was a publicly circulating worm targeting this vulnerability, which prompted RedHat to pull their 7.0 release. They consequently re-released it as "7.0-respin"...

CVE-2000-0615

LPRng 3.6.x improperly installs lpd as setuid root, which can allow local users to append lpd trace and logging messages to files...

LPRng lpd should not be SETUID root

Well, even in spite of all of my efforts, care, and paranoia, I finally dropped the hammer on my foot. Luckily it appears that I spotted this loophole before somebody on the LPRng mailing list did. Or worse yet, got a call from CERT about this problem :- SUMMARY: Versions of...

Linux news 10.07.00

Linux Kernel pre-patch 2.4.0 test3-pre7 Вышел очередной пререлиз третьего тестового ядра Linux Kernel 2.4.0. Подробнее: ftp://ftp.funet.fi/pub/linux/kernel/testing mutt 1.2.4 Вышла новая версия крутой консольной читалки и писалки почты. Подробнее: http://www.mutt.org/ Ошибка в BitchX Просто Bitch...

LPRng.txt

Subject: Security problem with LPRng To: [email protected] Hi all, During some recent work I've been doing with LPRng, I found that is is possible on a default LPRng installation to control the print queues on the LPRng server. Most default installations allow the root user at the localhost to...

Debian 2.1 - Print Queue Control

// source: https://www.securityfocus.com/bid/508/info The LPRng software is an enhanced, extended, and portable version of the Berkeley LPR software the standard UNIX printer spooler that ships with Debian GNU/Linux. When root controls the print queue, the authentication that is used is based on...

Debian 2.1 - Print Queue Control

Debian 2.1 - Print Queue Control // source: https://www.securityfocus.com/bid/508/info The LPRng software is an enhanced, extended, and portable version of the Berkeley LPR software the standard UNIX printer spooler that ships with Debian GNU/Linux. When root controls the print queue, the...