SILC工具包和客户端NICK_CHANGE函数远程溢出漏洞

BUGTRAQ ID: 24795 SILC（Secure Internet Live Conferencing）是安全的互联网会议讨论系统，可以发送任何类型的信息，包括多媒体信息，如视频、音频、图象等等。 SILC在处理畸形格式的消息时存在漏洞，远程攻击者可能利用此漏洞控制用户机器。 SILC客户端和工具包的lib/silcclient/clientnotify.c文件没有正确地处理NICKCHANGE通知。如果攻击者更改了隧道中的别名，就可能触发缓冲区溢出，导致执行任意指令。 SILC Toolkit/Client 1.1.2...

GLSA-200703-12 : SILC Server: Denial of Service

The remote host is affected by the vulnerability described in GLSA-200703-12 SILC Server: Denial of Service Frank Benkstein discovered a possible NULL pointer dereference in apps/silcd/command.c if a new channel is created without specifying a valid hmac or cipher algorithm name. Impact : A remot...

SILC Server: Denial of service

Background SILC Server is a server for the Secure Internet Live Conferencing SILC protocol. Description Frank Benkstein discovered a possible NULL pointer dereference in apps/silcd/command.c if a new channel is created without specifying a valid hmac or cipher algorithm name. Impact A remote...

CVE-2007-1327

The SILCSERVERCMDFUNC function in apps/silcd/command.c in silc-server 1.0.2 allows remote attackers to cause a denial of service NULL dereference and daemon crash via a request without a cipher algorithm and an invalid HMAC algorithm...

CVE-2007-1327

The CVE-2007-1327 entry affects silc-server 1.0.2, specifically the SILC_SERVER_CMD_FUNC in apps/silcd/command.c. A remote attacker can trigger a denial of service (NULL dereference and daemon crash) by sending a request that omits a cipher algorithm and uses an invalid HMAC algorithm. The vulner...

CVE-2007-1327: NULL Pointer Dereference

The SILCSERVERCMDFUNC function in apps/silcd/command.c in silc-server 1.0.2 allows remote attackers to cause a denial of service NULL dereference and daemon crash via a request without a cipher algorithm and an invalid HMAC algorithm...

[Full-disclosure] silc-server 1.0.2 denial-of-service vulnerability

Hi, there is a bug in the current version of silc-server that makes it possible to crash a networks SILC router or a standalone server, when a new channel is created. All it takes is to specify an invalid hmac algorithm name and no cipher algorithm name. This results in an null pointer dereferenc...

Silc Server 1.0.2 - New Channel Remote Denial of Service

Silc Server 1.0.2 - New Channel Remote Denial of Service source: https://www.securityfocus.com/bid/22846/info SILC Server is prone to a denial-of-service vulnerability because the application fails to handle exceptional conditions. An attacker can exploit this issue to crash the affected server,...

Silc Server 1.0.2 - New Channel Remote Denial of Service

source: https://www.securityfocus.com/bid/22846/info SILC Server is prone to a denial-of-service vulnerability because the application fails to handle exceptional conditions. An attacker can exploit this issue to crash the affected server, effectively denying service to legitimate users. This iss...

CVE-2005-2809

silc daemon silcd.c in Secure Internet Live Conferencing SILC 1.0 and earlier allows local users to overwrite arbitrary files via a symlink attack on the silcd.PID.stats temporary file...

CVE-2005-2809

The CVE-2005-2809 entry concerns the silc daemon (silcd.c) in Secure Internet Live Conferencing (SILC) 1.0 and earlier. A local user can overwrite arbitrary files via a symlink attack on the silcd.[PID].stats temporary file, indicating a symlink/race condition in the temporary file handling. Conc...

CVE-2005-2809

silc daemon silcd.c in Secure Internet Live Conferencing SILC 1.0 and earlier allows local users to overwrite arbitrary files via a symlink attack on the silcd.PID.stats temporary file...

silc server and toolkit insecure temporary file creation

silc server and toolkit insecure temporary file creation Vendor: http://silcnet.org/ Advisory: http://www.zataz.net/adviso/silc-server-toolkit-06152005.txt Vendor informed: yes Exploit available: yes Impact : low Exploitation : low The vulnerability is caused due to temporary file being created...

FreeBSD : gaim -- remote crash on some protocols (889061af-c427-11d9-ac59-02061b08fc24)

The GAIM team reports that GAIM is vulnerable to a denial-of-service vulnerability which can cause GAIM to crash : It is possible for a remote user to overflow a static buffer by sending an IM containing a very large URL greater than 8192 bytes to the Gaim user. This is not possible on all...

Gaim: Denial of Service and buffer overflow vulnerabilties

Background Gaim is a full featured instant messaging client which handles a variety of instant messaging protocols. Description Stu Tomlinson discovered that Gaim is vulnerable to a remote stack based buffer overflow when receiving messages in certain protocols, like Jabber and SILC, with a very...

GLSA-200505-09 : Gaim: Denial of Service and buffer overflow vulnerabilities

The remote host is affected by the vulnerability described in GLSA-200505-09 Gaim: Denial of Service and buffer overflow vulnerabilities Stu Tomlinson discovered that Gaim is vulnerable to a remote stack based buffer overflow when receiving messages in certain protocols, like Jabber and SILC, wit...

gaim -- remote crash on some protocols

The GAIM team reports that GAIM is vulnerable to a denial-of-service vulnerability which can cause GAIM to crash: It is possible for a remote user to overflow a static buffer by sending an IM containing a very large URL greater than 8192 bytes to the Gaim user. This is not possible on all...

silc question - insecure memory

Good Evening, while screwing around tonight checking memory for the SSH2 advisory. I noticed passphrase and complete sessions from silc in memory. I dont know if this is normal for silc I wouldnt think it would be but all you need to do it is: cdowns@Vader:$ sudo dd if=/dev/mem...