asterisk -- Crash in PJSIP resource when missing a contact header

The Asterisk project reports: A select set of SIP messages create a dialog in Asterisk. Those SIP messages must contain a contact header. For those messages, if the header was not present and using the PJSIP channel driver, it would cause Asterisk to crash. The severity of this vulnerability is...

SIP Module Denial of Service Vulnerability in Multiple Huawei Products

Huawei DP300, RP200, RSE6500, TE30/40/50/60 are all products of Huawei China. A denial of service vulnerability exists in the SIP module of multiple Huawei products. The vulnerability is due to the failure of the SIP backup module to properly handle more than a certain amount of peer state. An...

SIP Module Cache Overflow Vulnerability in Multiple Huawei Products

Huawei DP300, RP200, RSE6500, TE30/40/50/60 are all products of Huawei China. A cache overflow vulnerability exists in the SIP module of multiple Huawei products, which is due to the device failing to adequately validate some of the values in SIP messages. An unauthenticated, remote attacker coul...

Good News from Singapore

The IETF had its 100th meeting the week of November 13. It was held in Singapore. I want to report on two pieces of good news. The first is that it seems like TLS 1.3 is ready to advance through the IETF process. As I wrote last month, the problem was that outdated or buggy network devices betwee...

Security Advisory - Multiple Vulnerabilites in SIP Module on Huawei Products

There is an overflow vulnerability on the SIP module that attacker can exploit by sending a specially crafted SIP message, leading to a process reboot at random. Vulnerability ID: HWPSIRT-2017-06044 This vulnerability has been assigned a Common Vulnerabilities and Exposures CVE ID: CVE-2017-17142...

Apple macOS 10.13.1 (High Sierra) - Insecure Cron System Local Privilege Escalation

Recently I was working on an security issue in some other software that has yet to be disclosed which created a rather interesting condition. As a non-root user I was able to write to any file on the system that was not SIP-protected but the resulting file would not be root-owned, even if it...

Apple macOS 10.13.1 (High Sierra) - Insecure Cron System Local Privilege Escalation

Apple macOS 10.13.1 High Sierra - Insecure Cron System Local Privilege Escalation Recently I was working on an security issue in some other software that has yet to be disclosed which created a rather interesting condition. As a non-root user I was able to write to any file on the system that was...

Buffer overflow vulnerability in SIP backup module of multiple Huawei products (CNVD-2017-37974)

Huawei DP300 and so on are products of Huawei, China.Huawei DP300 is a video conferencing end device.IPS Module is an intrusion prevention module.SIP backup is one of the SIP backup modules. A buffer overflow vulnerability exists in the SIP backup module in several Huawei products due to the...

Security Advisory - Multiple Buffer Overflow Vulnerabilities in Some Huawei Products

There are three buffer overflow vulnerabilities in the SIP backup feature of some Huawei products. An attacker may send specially crafted messages to the affected products. Due to the insufficient validation of some values for SIP messages, successful exploit may cause services abnormal...

CVE-2017-12328

A vulnerability in Session Initiation Protocol SIP call handling in Cisco IP Phone 8800 Series devices could allow an unauthenticated, remote attacker to cause a denial of service DoS condition because the SIP process unexpectedly restarts. All active phone calls are dropped as the SIP process...

CVE-2017-12328

A vulnerability in Session Initiation Protocol SIP call handling in Cisco IP Phone 8800 Series devices could allow an unauthenticated, remote attacker to cause a denial of service DoS condition because the SIP process unexpectedly restarts. All active phone calls are dropped as the SIP process...

Input validation

A vulnerability in Session Initiation Protocol SIP call handling in Cisco IP Phone 8800 Series devices could allow an unauthenticated, remote attacker to cause a denial of service DoS condition because the SIP process unexpectedly restarts. All active phone calls are dropped as the SIP process...

CVE-2017-12328

A vulnerability in Session Initiation Protocol SIP call handling in Cisco IP Phone 8800 Series devices could allow an unauthenticated, remote attacker to cause a denial of service DoS condition because the SIP process unexpectedly restarts. All active phone calls are dropped as the SIP process...

CVE-2017-12328

The CVE-2017-12328 issue affects Cisco IP Phone 8800 Series devices, caused by incomplete input validation of SIP packet headers. An unauthenticated, remote attacker can send malformed SIP packets to trigger the SIP service to restart, dropping all active calls and causing a denial of service. Th...

Cisco IP Phone 8800 Series Denial of Service Vulnerability

A vulnerability in Session Initiation Protocol SIP call handling in Cisco IP Phone 8800 Series devices could allow an unauthenticated, remote attacker to cause a denial of service DoS condition because the SIP process unexpectedly restarts. All active phone calls are dropped as the SIP process...

Cisco IP Phone 8800 Series Denial of Service Vulnerability

A vulnerability in Session Initiation Protocol SIP call handling in Cisco IP Phone 8800 Series devices could allow an unauthenticated, remote attacker to cause a denial of service DoS condition because the SIP process unexpectedly restarts. All active phone calls are dropped as the SIP process...

CVE-2017-16872

An issue was discovered in Teluu pjproject pjlib and pjlib-util in PJSIP before 2.7.1. Parsing the numeric header fields in a SIP message like cseq, ttl, port, etc. all had the potential to overflow, either causing unintended values to be captured or, if the values were subsequently converted bac...

CVE-2017-16872

An issue was discovered in Teluu pjproject pjlib and pjlib-util in PJSIP before 2.7.1. Parsing the numeric header fields in a SIP message like cseq, ttl, port, etc. all had the potential to overflow, either causing unintended values to be captured or, if the values were subsequently converted bac...

Buffer overflow

An issue was discovered in Teluu pjproject pjlib and pjlib-util in PJSIP before 2.7.1. Parsing the numeric header fields in a SIP message like cseq, ttl, port, etc. all had the potential to overflow, either causing unintended values to be captured or, if the values were subsequently converted bac...

CVE-2017-16872

CVE-2017-16872 affects Teluu pjproject (pjlib and pjlib-util) in PJSIP before 2.7.1. The issue arises when parsing numeric SIP header fields (e.g., CSeq, ttl, port); values can overflow and may be captured incorrectly or cause a buffer overrun if converted back to strings, enabling a potential ex...