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CVE
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CVE-2017-7800Date: (C)2018-06-14   (M)2018-11-11


A use-after-free vulnerability can occur in WebSockets when the object holding the connection is freed before the disconnection operation is finished. This results in an exploitable crash. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 9.8CVSS Score : 7.5
Exploit Score: 3.9Exploit Score: 10.0
Impact Score: 5.9Impact Score: 6.4
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: PARTIAL
Confidentiality: HIGHAvailability: PARTIAL
Integrity: HIGH 
Availability: HIGH 
  
Reference:
BID-100196
SECTRACK-1039124
DSA-3928
DSA-3968
GLSA-201803-14
RHSA-2017:2456
RHSA-2017:2534
https://bugzilla.mozilla.org/show_bug.cgi?id=1374047
https://www.mozilla.org/security/advisories/mfsa2017-18/
https://www.mozilla.org/security/advisories/mfsa2017-19/
https://www.mozilla.org/security/advisories/mfsa2017-20/

CPE    487
cpe:/a:mozilla:firefox:43.0.4
cpe:/a:mozilla:firefox:37.0
cpe:/a:mozilla:firefox:-
cpe:/a:mozilla:firefox:20.0.1
...
CWE    1
CWE-416
OVAL    25
oval:org.secpod.oval:def:603094
oval:org.secpod.oval:def:41708
oval:org.secpod.oval:def:703794
oval:org.secpod.oval:def:41827
...

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