CVE-2017-7789 — Improper Authorization in Mozilla Firefox

CWE-285 — Improper Authorization12 documents7 sources
Severity
5.3MEDIUMNVD
OSV9.1
EPSS
0.8%
top 26.45%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mozilla FirefoxDebian Firefox
Timeline
PublishedJun 11
Latest updateMay 13

Description

If a server sends two Strict-Transport-Security (STS) headers for a single connection, they will be rejected as invalid and HTTP Strict Transport Security (HSTS) will not be enabled for the connection. This vulnerability affects Firefox < 55.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages4 packages

▶debiandebian/firefox< firefox 55.0-1 (sid)
▶CVEListV5mozilla/firefoxunspecified — 55
▶NVDmozilla/firefox< 55.0
▶Ubuntumozilla/firefox< 55.0.1+build2-0ubuntu0.14.04.2+3

🔴Vulnerability Details

5
GHSA
GHSA-9564-97j4-99c4: If a server sends two Strict-Transport-Security (STS) headers for a single connection, they will be rejected as invalid and HTTP Strict Transport Secu↗2022-05-13
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OSV
firefox regression↗2017-08-17
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OSV
ubufox update↗2017-08-16
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OSV
firefox vulnerabilities↗2017-08-15
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OSV
CVE-2017-7789: If a server sends two Strict-Transport-Security (STS) headers for a single connection, they will be rejected as invalid and HTTP Strict Transport Secu↗2017-07-04
▶

📋Vendor Advisories

5
Ubuntu
Firefox regression↗2017-08-17
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Ubuntu
Ubufox update↗2017-08-16
▶
Ubuntu
Firefox vulnerabilities↗2017-08-15
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Red Hat
Mozilla: Failure to enable HSTS when two STS headers are sent for a connection (MFSA 2017-18)↗2017-08-08
▶
Debian
CVE-2017-7789: firefox - If a server sends two Strict-Transport-Security (STS) headers for a single conne...↗2017
▶

💬Community

1
Bugzilla
CVE-2017-7789 Mozilla: Failure to enable HSTS when two STS headers are sent for a connection (MFSA 2017-18)↗2017-08-08
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