Vulnerability Details CVE-2018-12393
A potential vulnerability was found in 32-bit builds where an integer overflow during the conversion of scripts to an internal UTF-16 representation could result in allocating a buffer too small for the conversion. This leads to a possible out-of-bounds write. *Note: 64-bit builds are not vulnerable to this issue.*. This vulnerability affects Firefox < 63, Firefox ESR < 60.3, and Thunderbird < 60.3.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.039
EPSS Ranking 87.7%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- http://www.securityfocus.com/bid/105718
- http://www.securityfocus.com/bid/105769
- http://www.securitytracker.com/id/1041944
- https://access.redhat.com/errata/RHSA-2018:3005
- https://access.redhat.com/errata/RHSA-2018:3006
- https://access.redhat.com/errata/RHSA-2018:3531
- https://access.redhat.com/errata/RHSA-2018:3532
- https://bugzilla.mozilla.org/show_bug.cgi?id=1495011
- https://lists.debian.org/debian-lts-announce/2018/11/msg00008.html
- https://lists.debian.org/debian-lts-announce/2018/11/msg00011.html
- https://security.gentoo.org/glsa/201811-04
- https://security.gentoo.org/glsa/201811-13
- https://usn.ubuntu.com/3801-1/
- https://usn.ubuntu.com/3868-1/
- https://www.debian.org/security/2018/dsa-4324
- https://www.debian.org/security/2018/dsa-4337
- https://www.mozilla.org/security/advisories/mfsa2018-26/
- https://www.mozilla.org/security/advisories/mfsa2018-27/
- https://www.mozilla.org/security/advisories/mfsa2018-28/
- http://www.securityfocus.com/bid/105718
- http://www.securityfocus.com/bid/105769
- http://www.securitytracker.com/id/1041944
- https://access.redhat.com/errata/RHSA-2018:3005
- https://access.redhat.com/errata/RHSA-2018:3006
- https://access.redhat.com/errata/RHSA-2018:3531
- https://access.redhat.com/errata/RHSA-2018:3532
- https://bugzilla.mozilla.org/show_bug.cgi?id=1495011
- https://lists.debian.org/debian-lts-announce/2018/11/msg00008.html
- https://lists.debian.org/debian-lts-announce/2018/11/msg00011.html
- https://security.gentoo.org/glsa/201811-04
- https://security.gentoo.org/glsa/201811-13
- https://usn.ubuntu.com/3801-1/
- https://usn.ubuntu.com/3868-1/
- https://www.debian.org/security/2018/dsa-4324
- https://www.debian.org/security/2018/dsa-4337
- https://www.mozilla.org/security/advisories/mfsa2018-26/
- https://www.mozilla.org/security/advisories/mfsa2018-27/
- https://www.mozilla.org/security/advisories/mfsa2018-28/
Products affected by CVE-2018-12393
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cpe:2.3:a:mozilla:firefox:60.0
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cpe:2.3:a:mozilla:firefox_esr:*
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cpe:2.3:a:mozilla:thunderbird:*
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cpe:2.3:o:canonical:ubuntu_linux:14.04
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cpe:2.3:o:canonical:ubuntu_linux:16.04
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cpe:2.3:o:canonical:ubuntu_linux:18.04
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cpe:2.3:o:canonical:ubuntu_linux:18.10
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cpe:2.3:o:debian:debian_linux:8.0
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cpe:2.3:o:debian:debian_linux:9.0
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cpe:2.3:o:redhat:enterprise_linux_desktop:6.0
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cpe:2.3:o:redhat:enterprise_linux_desktop:7.0
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cpe:2.3:o:redhat:enterprise_linux_server:6.0
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cpe:2.3:o:redhat:enterprise_linux_server:7.0
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cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6
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cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6
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cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6
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cpe:2.3:o:redhat:enterprise_linux_workstation:6.0
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cpe:2.3:o:redhat:enterprise_linux_workstation:7.0