VDB-142146 · CVE-2019-10755 · GCVE-0-2019-10755

pac4j-saml 3.x SAML Identifier Generator SAML2Utils.java RandomStringUtils PRNG weak prng

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in pac4j-saml 3.x and classified as critical. This issue affects the function RandomStringUtils of the file SAML2Utils.java of the component SAML Identifier Generator. The manipulation results in weak prng (PRNG). This vulnerability is identified as CVE-2019-10755. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as problematic has been found in pac4j-saml 3.x. Affected is the function RandomStringUtils of the file SAML2Utils.java of the component SAML Identifier Generator. The manipulation with an unknown input leads to a weak prng vulnerability (PRNG). CWE is classifying the issue as CWE-338. The product uses a Pseudo-Random Number Generator (PRNG) in a security context, but the PRNG's algorithm is not cryptographically strong. This is going to have an impact on confidentiality. CVE summarizes:

The SAML identifier generated within SAML2Utils.java was found to make use of the apache commons-lang3 RandomStringUtils class which makes them predictable due to RandomStringUtils PRNG's algorithm not being cryptographically strong. This issue only affects the 3.X release of pac4j-saml.

The weakness was released 09/23/2019. This vulnerability is traded as CVE-2019-10755 since 04/03/2019. The exploitability is told to be easy. It is possible to launch the attack remotely. A authentication is needed for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1600.001 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

pac4j-saml

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.8
VulDB Meta Temp Score: 3.8

VulDB Base Score: 2.7
VulDB Temp Score: 2.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.9
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: PRNG
Class: Weak prng / PRNG
CWE: CWE-338 / CWE-331 / CWE-330
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/03/2019 🔍
09/23/2019 +173 days 🔍
09/24/2019 +1 days 🔍
12/27/2023 +1555 days 🔍

Sourcesinfo

Advisory: snyk.io
Status: Not defined

CVE: CVE-2019-10755 (🔍)
GCVE (CVE): GCVE-0-2019-10755
GCVE (VulDB): GCVE-100-142146

Entryinfo

Created: 09/24/2019 20:20
Updated: 12/27/2023 13:36
Changes: 09/24/2019 20:20 (38), 09/06/2020 09:25 (17), 12/27/2023 13:36 (3)
Complete: 🔍
Cache ID: 216::103