Mozilla Network Security Services 3.15.3 lib/ssl/sslsecur.c ssl_Do1stHandshake cryptographic issue

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Mozilla Network Security Services 3.15.3. This affects the function ssl_Do1stHandshake of the file lib/ssl/sslsecur.c. Executing a manipulation can lead to cryptographic issue. This vulnerability is tracked as CVE-2013-1740. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Mozilla Network Security Services 3.15.3 (Web Browser) and classified as problematic. This vulnerability affects the function ssl_Do1stHandshake of the file lib/ssl/sslsecur.c. The manipulation with an unknown input leads to a cryptographic issue vulnerability. The CWE definition for the vulnerability is CWE-310. As an impact it is known to affect confidentiality. CVE summarizes:

The ssl_Do1stHandshake function in sslsecur.c in libssl in Mozilla Network Security Services (NSS) before 3.15.4, when the TLS False Start feature is enabled, allows man-in-the-middle attackers to spoof SSL servers by using an arbitrary X.509 certificate during certain handshake traffic.

The weakness was disclosed 01/09/2014 as When false start is enabled, libssl will sometimes return unencrypted, unauthenticated data from PR_Recv as confirmed advisory (Website). The advisory is shared for download at bugzilla.mozilla.org. The public release has been coordinated in cooperation with the vendor. This vulnerability was named CVE-2013-1740 since 02/13/2013. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1600.

The vulnerability scanner Nessus provides a plugin with the ID 72269 (Fedora 19 : nss-3.15.4-1.fc19 / nss-softokn-3.15.4-1.fc19 / nss-util-3.15.4-1.fc19 (2014-1100)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123127 (Fedora Security Update for nss (FEDORA-2014-16530)).

Upgrading to version 3.15.4 eliminates this vulnerability. The upgrade is hosted for download at developer.mozilla.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (90394), Tenable (72269), SecurityFocus (BID 64944†), OSVDB (102170†) and Secunia (SA56386†). Additional details are provided at developer.mozilla.org. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cryptographic issue
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 72269
Nessus Name: Fedora 19 : nss-3.15.4-1.fc19 / nss-softokn-3.15.4-1.fc19 / nss-util-3.15.4-1.fc19 (2014-1100)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 867328
OpenVAS Name: Fedora Update for nss-softokn FEDORA-2014-1120
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Network Security Services 3.15.4

Timelineinfo

02/13/2013 🔍
01/09/2014 +330 days 🔍
01/09/2014 +0 days 🔍
01/09/2014 +0 days 🔍
01/14/2014 +5 days 🔍
01/17/2014 +3 days 🔍
01/18/2014 +1 days 🔍
02/04/2014 +17 days 🔍
06/05/2015 +486 days 🔍
03/30/2016 +299 days 🔍
02/03/2019 +1040 days 🔍

Sourcesinfo

Vendor: mozilla.org

Advisory: When false start is enabled, libssl will sometimes return unencrypted, unauthenticated data from PR_Recv
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-1740 (🔍)
GCVE (CVE): GCVE-0-2013-1740
GCVE (VulDB): GCVE-100-11992

OVAL: 🔍

X-Force: 90394 - Mozilla Network Security Services information disclosure, Medium Risk
SecurityFocus: 64944 - Network Security Services 'ssl_Do1stHandshake()' Function Information Disclosure Vulnerability
Secunia: 56386 - Network Security Services (NSS) False Start PR_Recv Information Disclosure Security Issue, Less Critical
OSVDB: 102170
Vulnerability Center: 57813 - [cpujul2014-1972956, cpuoct2014-1972960, cpujan2015-1972971] Mozilla Network Security Services (NSS) Before 3.15.4 and Oracle Multiple Products Remote Spoofing Vulnerability, Medium

Misc.: 🔍

Entryinfo

Created: 01/17/2014 11:10
Updated: 02/03/2019 10:21
Changes: 01/17/2014 11:10 (92), 02/03/2019 10:21 (1)
Complete: 🔍
Committer:
Cache ID: 216:0FB:103

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