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OVAL

Use-after-free vulnerability in TLS 1.2 exchanges in Mozilla Firefox, Firefox ESR and Thunderbird via generating handshake hashes (Mac OS X)

ID: oval:org.secpod.oval:def:42279Date: (C)2017-10-10   (M)2023-11-19
Class: VULNERABILITYFamily: macos




Mozilla Firefox before 56.0, Firefox ESR before 52.4 or Thunderbird 52.4 :- During TLS 1.2 exchanges, handshake hashes are generated which point to a message buffer. This saved data is used for later messages but in some cases, the handshake transcript can exceed the space available in the current buffer, causing the allocation of a new buffer. This leaves a pointer pointing to the old, freed buffer, resulting in a use-after-free when handshake hashes are then calculated afterwards. This can result in a potentially exploitable crash.

Platform:
Apple Mac OS 14
Apple Mac OS 13
Apple Mac OS 12
Apple Mac OS 11
Apple Mac OS X 10.15
Apple Mac OS X 10.14
Apple Mac OS X 10.9
Apple Mac OS X 10.10
Apple Mac OS X 10.11
Apple Mac OS X 10.12
Apple Mac OS X 10.13
Apple Mac OS X Server 10.13
Product:
Mozilla Firefox
Mozilla Firefox ESR
Mozilla Thunderbird
Reference:
CVE-2017-7805
CVE    1
CVE-2017-7805
CPE    2
cpe:/a:mozilla:firefox_esr
cpe:/a:mozilla:firefox

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