| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.4 | $0-$5k | 0.00 |
Summary
A vulnerability marked as critical has been reported in Mozilla Firefox up to 38.x. Affected by this issue is some unknown functionality of the file PDF.js of the component Same Origin Policy. This manipulation causes Remote Code Execution. This vulnerability is tracked as CVE-2015-2743. No exploit exists. It is suggested to upgrade the affected component.
Details
A vulnerability has been found in Mozilla Firefox up to 38.x (Web Browser) and classified as critical. Affected by this vulnerability is an unknown code of the file PDF.js of the component Same Origin Policy. The manipulation with an unknown input leads to a code vulnerability. The CWE definition for the vulnerability is CWE-17. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
PDF.js in Mozilla Firefox before 39.0 and Firefox ESR 31.x before 31.8 and 38.x before 38.1 enables excessive privileges for internal Workers, which might allow remote attackers to execute arbitrary code by leveraging a Same Origin Policy bypass.
The weakness was disclosed 07/06/2015 by Karthikeyan Bhargavan (Paul) with Mozilla Developers (Website). The advisory is shared at bugzilla.mozilla.org. This vulnerability is known as CVE-2015-2743 since 03/25/2015. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 84550 (CentOS 5 / 6 / 7 : firefox (CESA-2015:1207)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175454 (Debian Security Update for iceweasel (DSA 3300-1)).
Upgrading to version 39.0 eliminates this vulnerability.
The vulnerability is also documented in the databases at X-Force (104397), Tenable (84550), SecurityFocus (BID 75541†) and Vulnerability Center (SBV-50984†). The entries VDB-76277, VDB-76278, VDB-76279 and VDB-76280 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.mozilla.org/
- Product: https://www.mozilla.org/en-US/firefox/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 6.4
VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: CodeCWE: CWE-17
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 84550
Nessus Name: CentOS 5 / 6 / 7 : firefox (CESA-2015:1207)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 703300
OpenVAS Name: Debian Security Advisory DSA 3300-1 (iceweasel - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Upgrade: Firefox 39.0
Timeline
03/25/2015 🔍07/02/2015 🔍
07/02/2015 🔍
07/05/2015 🔍
07/05/2015 🔍
07/06/2015 🔍
07/06/2015 🔍
10/22/2024 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: RHSA-2015:1207
Researcher: Karthikeyan Bhargavan (Paul)
Organization: Mozilla Developers
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2015-2743 (🔍)
GCVE (CVE): GCVE-0-2015-2743
GCVE (VulDB): GCVE-100-76297
OVAL: 🔍
X-Force: 104397 - Mozilla Firefox PDF.js privilege escalation
SecurityFocus: 75541 - Mozilla Firefox/Thunderbird Multiple Security Vulnerabilities
SecurityTracker: 1032783
Vulnerability Center: 50984 - Mozilla Firefox and Firefox ESR Remote Privilege Escalation via PDF File Viewer, High
See also: 🔍
Entry
Created: 07/06/2015 10:19Updated: 10/22/2024 21:27
Changes: 07/06/2015 10:19 (65), 07/03/2017 08:59 (14), 05/23/2022 14:16 (4), 05/23/2022 14:19 (1), 05/23/2022 14:20 (2), 10/22/2024 21:27 (16)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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