Vulnerability Monitor

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CVE-2017-7800

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.

Published

2018-06-11T21:29:09.780

Last Modified

2024-11-21T03:32:41.257

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-416

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	debian	debian_linux	8.0	Yes
Operating System	debian	debian_linux	9.0	Yes
Operating System	redhat	enterprise_linux	6.0	Yes
Operating System	redhat	enterprise_linux	7.0	Yes
Operating System	redhat	enterprise_linux_desktop	6.0	Yes
Operating System	redhat	enterprise_linux_desktop	7.0	Yes
Operating System	redhat	enterprise_linux_server	6.0	Yes
Operating System	redhat	enterprise_linux_server	7.0	Yes
Operating System	redhat	enterprise_linux_server_aus	7.3	Yes
Operating System	redhat	enterprise_linux_server_aus	7.4	Yes
Operating System	redhat	enterprise_linux_server_eus	7.3	Yes
Operating System	redhat	enterprise_linux_server_eus	7.4	Yes
Operating System	redhat	enterprise_linux_server_eus	7.5	Yes
Operating System	redhat	enterprise_linux_workstation	6.0	Yes
Operating System	redhat	enterprise_linux_workstation	7.0	Yes
Application	mozilla	firefox	< 55.0	Yes
Application	mozilla	firefox_esr	< 52.3.0	Yes
Application	mozilla	thunderbird	< 52.3.0	Yes

References

http://www.securityfocus.com/bid/100196 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1039124 Third Party Advisory, VDB Entry ([email protected])
https://access.redhat.com/errata/RHSA-2017:2456 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2017:2534 Third Party Advisory ([email protected])
https://bugzilla.mozilla.org/show_bug.cgi?id=1374047 Exploit, Issue Tracking, Patch, Vendor Advisory ([email protected])
https://security.gentoo.org/glsa/201803-14 Third Party Advisory ([email protected])
https://www.debian.org/security/2017/dsa-3928 Third Party Advisory ([email protected])
https://www.debian.org/security/2017/dsa-3968 Third Party Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2017-18/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2017-19/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2017-20/ Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/100196 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1039124 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2017:2456 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2017:2534 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.mozilla.org/show_bug.cgi?id=1374047 Exploit, Issue Tracking, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201803-14 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2017/dsa-3928 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2017/dsa-3968 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2017-18/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2017-19/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2017-20/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)