cisco unified ip phone 8961 vulnerabilities and exploits

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A vulnerability in Cisco Unified IP Phones could allow an unauthenticated, remote malicious user to impersonate another user's phone if the Cisco Unified Communications Manager (CUCM) is in secure mode. This vulnerability is due to improper key generation during the manufact...

Cisco Unified Ip Phone 6911 Firmware -Cisco Unified Ip Phone 6921 Firmware -Cisco Unified Ip Phone 6941 Firmware -Cisco Unified Ip Phone 6945 Firmware -Cisco Unified Ip Phone 6961 Firmware -Cisco Unified Ip Phone 8941 Firmware -Cisco Unified Ip Phone 8945 Firmware -Cisco Unified Ip Phone 8961 Firmware -Cisco Unified Ip Phone 9951 Firmware -Cisco Unified Ip Phone 9971 Firmware -Cisco Ata 187 Analog Telephone Adapter Firmware

Cisco 9900 fourth-generation IP phones do not properly perform SDP negotiation, which allows remote malicious users to cause a denial of service (device reboot) via crafted SDP packets, aka Bug ID CSCuf06698.

Cisco Unified Ip Phone 9971 Cisco Unified Ip Phone 9951

The firmware on Cisco Unified IP phones 8961, 9951, and 9971 uses weak permissions for memory block devices, which allows local users to gain privileges by mounting a device with a setuid file in its filesystem, aka Bug ID CSCui04382.

Cisco Unified Ip Phone Firmware -Cisco Unified Ip Phone 8961 Cisco Unified Ip Phone 9971 Cisco Unified Ip Phone 9951

The ssl23_get_client_hello function in s23_srvr.c in OpenSSL 0.9.8zc, 1.0.0o, and 1.0.1j does not properly handle attempts to use unsupported protocols, which allows remote malicious users to cause a denial of service (NULL pointer dereference and daemon crash) via an unexpected ...

Openssl Openssl 1.0.1j

The ssl3_get_client_key_exchange function in s3_srvr.c in OpenSSL 1.0.2 prior to 1.0.2a, when client authentication and an ephemeral Diffie-Hellman ciphersuite are enabled, allows remote malicious users to cause a denial of service (daemon crash) via a ClientKeyExchange message w...

Openssl Openssl 1.0.2

The multi-block feature in the ssl3_write_bytes function in s3_pkt.c in OpenSSL 1.0.2 prior to 1.0.2a on 64-bit x86 platforms with AES NI support does not properly handle certain non-blocking I/O cases, which allows remote malicious users to cause a denial of service (pointer cor...

Openssl Openssl 1.0.2

The sigalgs implementation in t1_lib.c in OpenSSL 1.0.2 prior to 1.0.2a allows remote malicious users to cause a denial of service (NULL pointer dereference and daemon crash) by using an invalid signature_algorithms extension in the ClientHello message during a renegotiation.

Openssl Openssl 1.0.2

3 Github repositories2 Articles

The dtls1_listen function in d1_lib.c in OpenSSL 1.0.2 prior to 1.0.2a does not properly isolate the state information of independent data streams, which allows remote malicious users to cause a denial of service (application crash) via crafted DTLS traffic, as demonstrated by DT...

Openssl Openssl 1.0.2

The ASN.1 signature-verification implementation in the rsa_item_verify function in crypto/rsa/rsa_ameth.c in OpenSSL 1.0.2 prior to 1.0.2a allows remote malicious users to cause a denial of service (NULL pointer dereference and application crash) via crafted RSA PSS parameters to...

Openssl Openssl 1.0.2

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