Mozilla Firefox < 39.0 Multiple Vulnerabilities

High Nessus Network Monitor Plugin ID 8855

Synopsis

The remote host has a web browser installed that is vulnerable to multiple attack vectors.

Description

The version of Firefox is prior to 39.0 and is affected by multiple vulnerabilities :

- A security downgrade vulnerability exists due to a flaw in Network Security Services (NSS). When a client allows for a ECDHE_ECDSA exchange, but the server does not send a ServerKeyExchange message, the the NSS client will take the EC key from the ECDSA certificate. A remote attacker can exploit this to silently downgrade the exchange to a non-forward secret mixed-ECDH exchange. (CVE-2015-2721)
- Multiple user-after-free errors exist when using an XMLHttpRequest object in concert with either shared or dedicated workers. A remote attacker can exploit this to cause a denial of service condition. (CVE-2015-2722, CVE-2015-2733)
- Multiple memory corruption issues exist that allow an attacker to cause a denial of service condition or potentially execute arbitrary code. (CVE-2015-2724, CVE-2015-2725)
- A security bypass vulnerability exists due to a failure to preserve context restrictions. A remote attacker can exploit this, via a crafted web site that is accessed with unspecified mouse and keyboard actions, to read arbitrary files or execute arbitrary JavaScript code. (CVE-2015-2727)
- A type confusion flaw exists in the Indexed Database Manager's handling of IDBDatabase. A remote attacker can exploit this to cause a denial of service condition or to execute arbitrary code. (CVE-2015-2728)
- An out-of-bounds read flaw exists in the 'AudioParamTimeline::AudioNodeInputValue()' function when computing oscillator rending ranges. An attacker can exploit this to disclose the contents of four bytes of memory or cause a denial of service condition. (CVE-2015-2729)
- A signature spoofing vulnerability exists due to a flaw in Network Security Services (NSS) in its Elliptic Curve Digital Signature Algorithm (ECDSA) signature validation. A remote attacker can exploit this to forge signatures. (CVE-2015-2730)
- A use-after-free error exists in the 'CSPService::ShouldLoad()' function when modifying the Document Object Model to remove a DOM object. An attacker can exploit this to dereference already freed memory, potentially resulting in the execution of arbitrary code. (CVE-2015-2731)
- An uninitialized memory use issue exists in the 'CairoTextureClientD3D9::BorrowDrawTarget()' function, the '::d3d11::SetBufferData()' function, and the 'YCbCrImageDataDeserializer::ToDataSourceSurface()' function. The impact is unspecified. (CVE-2015-2734, CVE-2015-2737, CVE-2015-2738)
- A memory corruption issue exists in the 'nsZipArchive::GetDataOffset()' function due to improper string length checks. An attacker can exploit this, via a crafted ZIP archive, to potentially execute arbitrary code. (CVE-2015-2735)
- A memory corruption issue exists in the 'nsZipArchive::BuildFileList()' function due to improper validation of user-supplied input. An attacker can exploit this, via a crafted ZIP archive, to potentially execute arbitrary code. (CVE-2015-2736)
- An unspecified memory corruption issue exists in the 'ArrayBufferBuilder::append()' function due to improper validation of user-supplied input. An attacker can exploit this to potentially execute arbitrary code. (CVE-2015-2739)
- A buffer overflow condition exists in the 'nsXMLHttpRequest::AppendToResponseText()' function due to improper validation of user-supplied input. An attacker can exploit this to potentially execute arbitrary code. (CVE-2015-2740)
- A security bypass vulnerability exists due to a flaw in certificate pinning checks. Key pinning is not enforced upon encountering an X.509 certificate problem that generates a user dialog. A man-in-the-middle attacker can exploit this to bypass intended access restrictions. (CVE-2015-2741)
- A privilege escalation vulnerability exists in the PDF viewer (PDF.js) due to internal workers being executed insecurely. An attacker can exploit this, by leveraging a Same Origin Policy bypass, to execute arbitrary code. (CVE-2015-2743)
- A man-in-the-middle vulnerability, known as Logjam, exists due to a flaw in the SSL/TLS protocol. A remote attacker can exploit this flaw to downgrade connections using ephemeral Diffie-Hellman key exchange to 512-bit export-grade cryptography. (CVE-2015-4000)

Solution

Upgrade to Firefox 39.0 or later.

See Also

https://www.mozilla.org/en-US/security/advisories/mfsa2015-59

https://www.mozilla.org/en-US/security/advisories/mfsa2015-60

https://www.mozilla.org/en-US/security/advisories/mfsa2015-61

https://www.mozilla.org/en-US/security/advisories/mfsa2015-62

https://www.mozilla.org/en-US/security/advisories/mfsa2015-63

https://www.mozilla.org/en-US/security/advisories/mfsa2015-64

https://www.mozilla.org/en-US/security/advisories/mfsa2015-65

https://www.mozilla.org/en-US/security/advisories/mfsa2015-66

https://www.mozilla.org/en-US/security/advisories/mfsa2015-67

https://www.mozilla.org/en-US/security/advisories/mfsa2015-69

https://www.mozilla.org/en-US/security/advisories/mfsa2015-70

https://www.mozilla.org/en-US/security/advisories/mfsa2015-71

Plugin Details

Severity: High

ID: 8855

Family: Web Clients

Published: 2015/09/09

Modified: 2016/11/23

Dependencies: 9131

Nessus ID: 84581

Risk Information

Risk Factor: High

CVSSv2

Base Score: 9.3

Temporal Score: 8.1

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Temporal Vector: CVSS2#E:ND/RL:OF/RC:C

CVSSv3

Base Score: 9.8

Temporal Score: 9.4

Vector: CVSS3#AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS3#E:ND/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:mozilla:firefox

Patch Publication Date: 2015/07/02

Vulnerability Publication Date: 2015/07/02

Reference Information

CVE: CVE-2015-2721, CVE-2015-2722, CVE-2015-2724, CVE-2015-2725, CVE-2015-2726, CVE-2015-2727, CVE-2015-2728, CVE-2015-2729, CVE-2015-2730, CVE-2015-2731, CVE-2015-2733, CVE-2015-2734, CVE-2015-2735, CVE-2015-2736, CVE-2015-2737, CVE-2015-2738, CVE-2015-2739, CVE-2015-2740, CVE-2015-2741, CVE-2015-2742, CVE-2015-2743, CVE-2015-4000

BID: 74733