Vulnerability Details : CVE-2017-7753
Potential exploit
An out-of-bounds read occurs when applying style rules to pseudo-elements, such as ::first-line, using cached style data. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.
Products affected by CVE-2017-7753
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-7753
2.62%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 85 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-7753
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.4
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:P |
10.0
|
4.9
|
NIST | |
|
9.1
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
3.9
|
5.2
|
NIST |
CWE ids for CVE-2017-7753
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-7753
-
https://www.debian.org/security/2017/dsa-3968
Debian -- Security Information -- DSA-3968-1 icedoveThird Party Advisory
-
https://access.redhat.com/errata/RHSA-2017:2534
RHSA-2017:2534 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://www.mozilla.org/security/advisories/mfsa2017-20/
Security vulnerabilities fixed in Thunderbird 52.3 — MozillaVendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2017-19/
Security vulnerabilities fixed in Firefox ESR 52.3 — MozillaVendor Advisory
-
https://www.debian.org/security/2017/dsa-3928
Debian -- Security Information -- DSA-3928-1 firefox-esrThird Party Advisory
-
https://www.mozilla.org/security/advisories/mfsa2017-18/
Security vulnerabilities fixed in Firefox 55 — MozillaVendor Advisory
-
https://security.gentoo.org/glsa/201803-14
Mozilla Thunderbird: Multiple vulnerabilities (GLSA 201803-14) — Gentoo securityThird Party Advisory
-
http://www.securitytracker.com/id/1039124
Mozilla Firefox Multiple Bugs Let Remote Users Spoof Content, Obtain Potentially Sensitive Information, Deny Service and Execute Arbitrary Code - SecurityTrackerThird Party Advisory;VDB Entry
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1353312
1353312 - (CVE-2017-7753) logical property on pseudo-element that disallows it (e.g., border-inline-* on ::first-line) causes access violation at 0x14141414Exploit;Issue Tracking;Patch;Vendor Advisory
-
http://www.securityfocus.com/bid/100315
Mozilla Firefox CVE-2017-7753 Information Disclosure VulnerabilityThird Party Advisory;VDB Entry
-
https://access.redhat.com/errata/RHSA-2017:2456
RHSA-2017:2456 - Security Advisory - Red Hat Customer PortalThird Party Advisory
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