cbcvebase.
CVE-2019-8771
published 2020-10-27

CVE-2019-8771: This issue was addressed with improved iframe sandbox enforcement. This issue is fixed in Safari 13.0.1, iOS 13. Maliciously crafted web content may violate…

PriorityP179medium6.1CVSS 3.1
AVNACLPRNUIRSCCLILAN
ITWVulnCheck KEV
Exploited in the wild
EPSS
0.98%
58.4th percentile
This issue was addressed with improved iframe sandbox enforcement. This issue is fixed in Safari 13.0.1, iOS 13. Maliciously crafted web content may violate iframe sandboxing policy.

Affected

7 ranges
VendorProductVersion rangeFixed in
appleios
appleios>= unspecified < 1313
appleiphone_os< 13.0.13.0.
applesafari< 13.0.113.0.1
applesafari
applesafari>= unspecified < 13.013.0
debianwebkit2gtk< webkit2gtk 2.26.0-1 (bookworm)webkit2gtk 2.26.0-1 (bookworm)

Detection & IOCsextracted from sources · hover to see the quote

  • Vulnerable versions: WebKitGTK before 2.26.0 and WPE WebKit before 2.26.0 are affected by the iframe sandboxing policy violation.
  • ·This vulnerability is in the WebKit iframe sandbox enforcement logic; maliciously crafted web content can violate iframe sandboxing policy. Detection should focus on anomalous iframe sandbox attribute bypass behavior in WebKit-based browsers/engines.
  • ·Red Hat Enterprise Linux 6 (webkitgtk) is out of support scope and will not receive a fix; RHEL 7 (webkitgtk3) was initially marked 'Will not fix' but was later addressed via RHSA-2020:4035.

CVSS provenance

nvdv3.16.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
osv6.1MEDIUM
vulncheck6.1MEDIUM
vendor_debian6.1MEDIUM
vendor_redhat6.1MEDIUM
CVEs like this are exactly what “Exploited This Week” covers.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.