Alerts This Week
Warning Icon 1 677
Alerts This Week
Warning Icon 1 677

Stay Secure with the Latest Linux Advisories

Filter Icon Refine advisories
X Clear Filters
X Clear Filters
View More

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Community Poll

What got you started with Linux?

No answer selected. Please try again.
Please select either existing option or enter your own, however not both.
Please select minimum {0} answer(s).
Please select maximum {0} answer(s).
/main-polls/150-what-got-you-started-with-linux?task=poll.vote&format=json
150
radio
0
[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
bottom 200
Loading...

Explore Latest Linux Security advisories

We found -5 articles for you...
203

Mageia: 2019-0262 Medium: ZNC Privilege Escalation and DoS Threats

Jeriko One discovered two vulnerabilities in the ZNC IRC bouncer which could result in privilege escalation or denial of service (CVE-2018-14055, CVE-2018-14056). Two vulnerabilities were discovered in the ZNC IRC bouncer which could . MGASA-2019-0262 - Updated znc packages fix security vulnerabilities Publication date: 12 Sep 2019 URL: https://advisories.mageia.org/MGASA-2019-0262.html Type: security Affected Mageia releases: 6, 7 CVE: CVE-2018-14055, CVE-2018-14056, CVE-2019-9917, CVE-2019-12816 Jeriko One discovered two vulnerabilities in the ZNC IRC bouncer which could result in privilege escalation or denial of service (CVE-2018-14055, CVE-2018-14056). Two vulnerabilities were discovered in the ZNC IRC bouncer which could result in remote code execution (CVE-2019-12816) or denial of service via invalid encoding (CVE-2019-9917). References: - https://bugs.mageia.org/show_bug.cgi?id=23327 - https://lists.debian.org/debian-security-announce/2018/msg00181.html - https://lists.debian.org/debian-security-announce/2019/msg00109.html - https://www.cve.org/CVERecord?id=CVE-2018-14055 - https://www.cve.org/CVERecord?id=CVE-2018-14056 - https://www.cve.org/CVERecord?id=CVE-2019-9917 - https://www.cve.org/CVERecord?id=CVE-2019-12816 SRPMS: - 7/core/znc-1.7.4-1.mga7 - 6/core/znc-1.7.4-1.mga6 . The latest security patch for Mageia focuses on resolving serious flaws in ZNC, which could lead to unauthorized access and service interruptions.. ZNC, Mageia, Security Advisories, Privilege Escalation, Denial Of Service. . Severity: Medium. LinuxSecurity.com Team

Calendar 2 Sep 12, 2019 Medium Mageia
87

Debian: DSA-4463-1 Remote Code Execution And Denial Of Service

Two vulnerabilities were discovered in the ZNC IRC bouncer which could result in remote code execution (CVE-2019-12816) or denial of service via invalid encoding (CVE-2019-9917). . - ------------------------------------------------------------------------- Debian Security Advisory DSA-4463-1 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/security/ Salvatore Bonaccorso June 14, 2019 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : znc CVE ID : CVE-2019-9917 CVE-2019-12816 Debian Bug : 925285 Two vulnerabilities were discovered in the ZNC IRC bouncer which could result in remote code execution (CVE-2019-12816) or denial of service via invalid encoding (CVE-2019-9917). For the stable distribution (stretch), these problems have been fixed in version 1.6.5-1+deb9u2. We recommend that you upgrade your znc packages. For the detailed security status of znc please refer to its security tracker page at: https://security-tracker.debian.org/tracker/source-package/znc Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it. . - ------------------------------------------------------------------------- Debian Security Advisory. vulnerabilities, bouncer, which, remote, executi. . Severity: Important. LinuxSecurity.com Team

Calendar 2 Jun 14, 2019 Important Debian
87

Debian 5.0 DSA-2069-1 Medium: ZNC Denial Of Service Issue

It was discovered that znc, an IRC bouncer, is vulnerable to denial of service attacks via a NULL pointer dereference when traffic statistics are requested while there is an unauthenticated connection. . -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ------------------------------------------------------------------------ Debian Security Advisory DSA-2069-1 This email address is being protected from spambots. You need JavaScript enabled to view it. http://www.debian.org/security/ Raphael Geissert Jul 11, 2010 http://www.debian.org/security/faq - ------------------------------------------------------------------------ Package : znc Vulnerability : denial of service Problem type : remote Debian-specific: no CVE Id(s) : CVE-2010-2448 Debian Bug : 584929 It was discovered that znc, an IRC bouncer, is vulnerable to denial of service attacks via a NULL pointer dereference when traffic statistics are requested while there is an unauthenticated connection. For the stable distribution (lenny), the problem has been fixed in version 0.058-2+lenny4. For the testing distribution (squeeze) and the unstable distribution (sid), the problem has been fixed in version 0.090-2. We recommend that you upgrade your znc packages. Upgrade instructions - -------------------- wget url will fetch the file for you dpkg -i file.deb will install the referenced file. If you are using the apt-get package manager, use the line for sources.list as given below: apt-get update will update the internal database apt-get upgrade will install corrected packages You may use an automated update by adding the resources from the footer to the proper configuration. Debian GNU/Linux 5.0 (stable) alias lenny - -------------------------------- Stable updates are available for alpha, amd64, arm, armel, hppa, i386, ia64, mips, mipsel, powerpc, s390 and sparc. Source archives: Size/MD5 checksum: 1038 46f176d6370f395b9166832d839f667c Size/MD5 checksum: 9957f83f0daa62de96ddd125a57e355997f7 Size/MD5 checksum: 340741 c02fd740c55d5b3a7912f7584344103e alpha architecture (DEC Alpha) Size/MD5 checksum: 1097004 aad70b861a881acc07b62fba1828a987 amd64 architecture (AMD x86_64 (AMD64)) Size/MD5 checksum: 1028912 73e5648afac01653d63993c78f814166 arm architecture (ARM) Size/MD5 checksum: 1151388 a75400496739ef59b8f04369c11adae1 armel architecture (ARM EABI) Size/MD5 checksum: 964152 db8f9e2dd72860c5fc113cdf2d9ffa23 hppa architecture (HP PA RISC) Size/MD5 checksum: 1164930 833ebba997cafa8d98de64f02af58257 i386 architecture (Intel ia32) Size/MD5 checksum: 1012740 8e9428972501db9a05d6f8012a1b58c2 ia64 architecture (Intel ia64) Size/MD5 checksum: 1183340 5ec39e62dde31f9198db0f34ec12b95d mips architecture (MIPS (Big Endian)) Size/MD5 checksum: 916252 c19f7c926422278d2fc29dc3999d837a mipsel architecture (MIPS (Little Endian)) Size/MD5 checksum: 907810 14096b5353a78f6966577c23773d218a powerpc architecture (PowerPC) Size/MD5 checksum: 1036902 dbd1e736e3fe1d8f5e9dddba22166279 s390 architecture (IBM S/390) Size/MD5 checksum: 972040 2ea3615c32521cd15cc5eae7516f85f8 sparc architecture (Sun SPARC/UltraSPARC) Size/MD5 checksum: 1000438 8838f85e71e4d0057b21505c8fcb0b39 These files will probably be moved into the stable distribution on its next update. - --------------------------------------------------------------------------------- For apt-get: deb https://www.debian.org/security/ stable/updates main For dpkg-ftp: dists/stable/updates/main Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it. Package info: `apt-cache show ' and https://www.debian.org/distrib/packages . To mitigate denial of service vulnerabilities in ZNC, follow Debian's security advice by updating your installation and reviewing configurations for security risks. ZNC, Denial of Service, Debian Advisory, Software Update. . Severity: Medium. LinuxSecurity.com Team

Calendar 2 Jul 12, 2010 Medium Debian
89

Fedora 11: ZNC 0.072-3 Critical: Data Traversal File Overwrite Fix

No CVE yet, one has been requested. Upgrade to 0.072 of ZNC, fixes security issue in bug 513152 An users data directory traversal flaw was found in the way ZNC used to handle file upload requests via Direct Client Connection (DCC) /dcc SEND messages. A remote IRC user could issue a /dcc SEND message with a specially-crafted content (file to upload), which once accepted by a local, unsuspecting ZNC user, would overwrite relevant files in the users/ /downloads data directory. . -------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2009-7952 2009-07-23 18:32:04 -------------------------------------------------------------------------------- Name : znc Product : Fedora 11 Version : 0.072 Release : 3.fc11 URL : Summary : An advanced IRC bouncer Description : ZNC is an IRC bouncer with many advanced features like detaching, multiple users, per channel playback buffer, SSL, IPv6, transparent DCC bouncing, Perl and C++ module support to name a few. -------------------------------------------------------------------------------- Update Information: No CVE yet, one has been requested. Upgrade to 0.072 of ZNC, fixes security issue in bug 513152 An users data directory traversal flaw was found in the way ZNC used to handle file upload requests via Direct Client Connection (DCC) /dcc SEND messages. A remote IRC user could issue a /dcc SEND message with a specially-crafted content (file to upload), which once accepted by a local, unsuspecting ZNC user, would overwrite relevant files in the users/ /downloads data directory. -------------------------------------------------------------------------------- ChangeLog: -------------------------------------------------------------------------------- References: [ 1 ] Bug #513152 - ZNC: Users data directory traversal flaw via Direct Client Connection message https://bugzilla.redhat.com/show_bug.cgi?id=513152 -------------------------------------------------------------------------------- This update can be installed with the "yum" update program. Use su -c 'yum update znc' at the command line. For more information, refer to "Managing Software with yum", available at . All packages are signed with the Fedora Project GPG key. More details on the GPG keys used by the Fedora Project can be found at -------------------------------------------------------------------------------- _______________________________________________ Fedora-package-announce mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. https://lists.fedoraproject.org/archives/list/This email address is being protected from spambots. You need JavaScript enabled to view it./ . Enhance ZNC to address security vulnerability enabling unauthorized file overwrites in user download folders on Fedora 11 instances.. ZNC Software,Fedora Updates,File Upload Security,IRC Bouncer Security,Data Traversal Issues. . Severity: Critical. LinuxSecurity.com Team

Calendar 2 Jul 23, 2009 Critical Fedora
News Add Esm H240

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Community Poll

What got you started with Linux?

No answer selected. Please try again.
Please select either existing option or enter your own, however not both.
Please select minimum {0} answer(s).
Please select maximum {0} answer(s).
/main-polls/150-what-got-you-started-with-linux?task=poll.vote&format=json
150
radio
0
[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
bottom 200
Your message here