CVE-2021-26712

Incorrect access controls in ressrtp.c in Sangoma Asterisk 13.38.1, 16.16.0, 17.9.1, and 18.2.0 and Certified Asterisk 16.8-cert5 allow a remote unauthenticated attacker to prematurely terminate secure calls by replaying SRTP packets...

CVE-2021-26712

CVE-2021-26712 describes a flaw in res_srtp.c in Sangoma Asterisk versions 13.38.1, 16.16.0, 17.9.1, 18.2.0 and Certified Asterisk 16.8-cert5 where an unauthenticated remote attacker can prematurely terminate secure calls by replaying SRTP packets. The connected records confirm the affected produ...

asterisk -- Remote attacker could prematurely tear down SRTP calls

The Asterisk project reports: An unauthenticated remote attacker could replay SRTP packets which could cause an Asterisk instance configured without strict RTP validation to tear down calls prematurely...

Sangoma Technologies Asterisk Security Breach

Sangoma Technologies Asterisk is a suite of open source telephone exchange PBX system software from Canada's Sangoma Technologies. The software supports voicemail, multi-party voice conferencing, interactive voice response IVR, and more. A security vulnerability exists in Sangoma Asterisk. The...

libsrtp: improper handling of CSRC count and extension header length in RTP header

The encryption-processing feature in Cisco libSRTP before 1.5.3 allows remote attackers to cause a denial of service via crafted fields in SRTP packets, aka Bug ID CSCux00686...

Moderate: Red Hat Security Advisory: libsrtp security and bug fix update

An update for libsrtp is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

libsrtp: buffer overflow in application of crypto profiles

Buffer overflow in srtp.c in libsrtp in srtp 1.4.5 and earlier allows remote attackers to cause a denial of service crash via vectors related to a length inconsistency in the cryptopolicysetfromprofileforrtp and srtpprotect functions...

CVE-2019-11745

A heap-based buffer overflow was found in the NSCEncryptUpdate function in Mozilla nss. A remote attacker could trigger this flaw via SRTP encrypt or decrypt operations, to execute arbitrary code with the permissions of the user running the application compiled with nss. While the attack complexi...

CVE-2019-18863

A key length vulnerability in the implementation of the SRTP 128-bit key on Mitel 6800 and 6900 SIP series phones, versions 5.1.0.2051 SP2 and earlier, could allow an attacker to launch a man-in-the-middle attack when SRTP is used in a call. A successful exploit may allow the attacker to intercep...

Design/Logic Flaw

A key length vulnerability in the implementation of the SRTP 128-bit key on Mitel 6800 and 6900 SIP series phones, versions 5.1.0.2051 SP2 and earlier, could allow an attacker to launch a man-in-the-middle attack when SRTP is used in a call. A successful exploit may allow the attacker to intercep...

CVE-2019-18863

The CVE-2019-18863 entry concerns a key-length vulnerability in the SRTP 128-bit key implementation on Mitel 6800/6900 SIP phones (versions 5.1.0.2051 SP2 and earlier). The root cause is in the SRTP key handling, enabling a man-in-the-middle attack when SRTP is used in a call, with potential inte...

CVE-2019-18863

A key length vulnerability in the implementation of the SRTP 128-bit key on Mitel 6800 and 6900 SIP series phones, versions 5.1.0.2051 SP2 and earlier, could allow an attacker to launch a man-in-the-middle attack when SRTP is used in a call. A successful exploit may allow the attacker to intercep...

Amazon Linux 2 : nss (ALAS-2020-1384)

The version of nss installed on the remote host is prior to 3.44.0-7. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2020-1384 advisory. A heap-based buffer overflow was found in the NSCEncryptUpdate function in Mozilla nss. A remote attacker could trigger this...

Amazon Linux 2 : nss-softokn (ALAS-2020-1379)

The version of nss-softokn installed on the remote host is prior to 3.44.0-8. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2020-1379 advisory. Empty or malformed p256-ECDH public keys may trigger a segmentation fault due values being improperly sanitized befor...

EulerOS 2.0 SP3 : libsrtp (EulerOS-SA-2019-2617)

According to the versions of the libsrtp package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - Buffer overflow in srtp.c in libsrtp in srtp 1.4.5 and earlier allows remote attackers to cause a denial of service crash via vectors related to...

Slack: Slack DTLS uses a private key that is in the public domain, which may lead to SRTP stream hijack

Affects: Janus DTLS certificate Description The Janus server in use by Slack is configured using a certificate and private key that were previously distributed by default. This certificate is used to authenticate the DTLS connection which is later used to exchange keys for the SRTP stream. As a...

Security Bulletin: DTLS Secure Real-time Transport Protocol (SRTP) vulnerabilities in OpenSSL affect Juniper EX Series Network Switches (CVE-2014-3513, CVE-2014-3567, CVE-2014-3568)

Summary OpenSSL vulnerabilities along with SSL 3 Fallback protection TLSFALLBACKSCSV were disclosed on October 15, 2014 by the OpenSSL Project. OpenSSL is used by Juniper EX Series Network Switches sold by IBM for use in IBM Products. Juniper EX Series Network Switches has addressed the applicabl...

Adventures in Video Conferencing Part 1: The Wild World of WebRTC

Posted by Natalie Silvanovich, Project Zero Over the past five years, video conferencing support in websites and applications has exploded. Facebook, WhatsApp, FaceTime and Signal are just a few of the many ways that users can make audio and video calls across networks. While a lot of research ha...

Information disclosure

There is a SRTP icon display vulnerability in Huawei eSpace product. An unauthenticated, remote attacker launches man-in-the-middle attack to intercept the packets in non-secure transmission mode. Successful exploitation may intercept and tamper with the call information, eventually cause sensiti...

CVE-2018-7960

There is a SRTP icon display vulnerability in Huawei eSpace product. An unauthenticated, remote attacker launches man-in-the-middle attack to intercept the packets in non-secure transmission mode. Successful exploitation may intercept and tamper with the call information, eventually cause sensiti...