9.8
CRITICAL
CVE-2016-5270
Mozilla Firefox/Firefox ESR/Thunderbird Heap-Based Buffer Overflow Vulnerability
Description

Heap-based buffer overflow in the nsCaseTransformTextRunFactory::TransformString function in Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 allows remote attackers to cause a denial of service (boolean out-of-bounds write) or possibly have unspecified other impact via Unicode characters that are mishandled during text conversion.

INFO

Published Date :

Sept. 22, 2016, 10:59 p.m.

Last Modified :

Oct. 22, 2024, 1:54 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2016-5270 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2016-5270 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Mozilla firefox
2 Mozilla firefox_esr
: Total Affected Vendor : 1 | Products : 2
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2016-5270.

URL Resource
http://rhn.redhat.com/errata/RHSA-2016-1912.html
http://www.debian.org/security/2016/dsa-3674
http://www.mozilla.org/security/announce/2016/mfsa2016-85.html Vendor Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
http://www.securityfocus.com/bid/93049
http://www.securitytracker.com/id/1036852
https://bugzilla.mozilla.org/show_bug.cgi?id=1291016 Issue Tracking
https://security.gentoo.org/glsa/201701-15
https://www.mozilla.org/security/advisories/mfsa2016-86/
https://www.mozilla.org/security/advisories/mfsa2016-88/

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
mozilla/foundation-security-advisories

Canonical source for Mozilla Foundation Security Advisories. http://www.mozilla.org/security/announce/

Python Shell

Updated: 2 months, 2 weeks ago
19 stars 31 fork 31 watcher
Born at : July 3, 2014, 8:16 p.m. This repo has been linked 3 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2016-5270 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2016-5270 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CPE Deprecation Remap by [email protected]

    Oct. 22, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:mozilla:firefox_esr:45.1.0:*:*:*:*:*:*:* OR *cpe:2.3:a:mozilla:firefox:45.1.0:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Oct. 21, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:mozilla:firefox_esr:45.1.1:*:*:*:*:*:*:* OR *cpe:2.3:a:mozilla:firefox:45.1.1:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Oct. 21, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:mozilla:firefox_esr:45.3.0:*:*:*:*:*:*:* OR *cpe:2.3:a:mozilla:firefox:45.3.0:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Oct. 21, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:mozilla:firefox_esr:45.2.0:*:*:*:*:*:*:* OR *cpe:2.3:a:mozilla:firefox:45.2.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Jun. 12, 2018

    Action Type Old Value New Value
    Changed Description Heap-based buffer overflow in the nsCaseTransformTextRunFactory::TransformString function in Mozilla Firefox before 49.0 and Firefox ESR 45.x before 45.4 allows remote attackers to cause a denial of service (boolean out-of-bounds write) or possibly have unspecified other impact via Unicode characters that are mishandled during text conversion. Heap-based buffer overflow in the nsCaseTransformTextRunFactory::TransformString function in Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 allows remote attackers to cause a denial of service (boolean out-of-bounds write) or possibly have unspecified other impact via Unicode characters that are mishandled during text conversion.
    Added Reference https://www.mozilla.org/security/advisories/mfsa2016-88/ [No Types Assigned]
    Added Reference https://www.mozilla.org/security/advisories/mfsa2016-86/ [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 05, 2018

    Action Type Old Value New Value
    Added Reference http://rhn.redhat.com/errata/RHSA-2016-1912.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 30, 2017

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1036852 [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 01, 2017

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201701-15 [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 18, 2017

    Action Type Old Value New Value
    Added Reference http://www.debian.org/security/2016/dsa-3674 [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 28, 2016

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/93049 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 27, 2016

    Action Type Old Value New Value
    Added Reference http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
  • Modified Analysis by [email protected]

    Sep. 23, 2016

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:a:mozilla:firefox_esr:45.1.0:*:*:*:*:*:*:* *cpe:2.3:a:mozilla:firefox_esr:45.1.1:*:*:*:*:*:*:* *cpe:2.3:a:mozilla:firefox_esr:45.2.0:*:*:*:*:*:*:* *cpe:2.3:a:mozilla:firefox_esr:45.3.0:*:*:*:*:*:*:* *cpe:2.3:a:mozilla:firefox:48.0.2:*:*:*:*:*:*:* (and previous)
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://bugzilla.mozilla.org/show_bug.cgi?id=1291016 No Types Assigned https://bugzilla.mozilla.org/show_bug.cgi?id=1291016 Issue Tracking
    Changed Reference Type http://www.mozilla.org/security/announce/2016/mfsa2016-85.html No Types Assigned http://www.mozilla.org/security/announce/2016/mfsa2016-85.html Vendor Advisory
    Added CWE CWE-787
    Added CWE CWE-119
  • Initial Analysis by [email protected]

    Sep. 23, 2016

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2016-5270 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2016-5270 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-100: Overflow Buffers Overflow Buffers CAPEC-123: Buffer Manipulation Buffer Manipulation
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

4.40 }} 0.49%

score

0.91528

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: