PySAML2 up to 4.4.0 cryptographic issue

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in PySAML2 up to 4.4.0. The affected element is an unknown function. The manipulation leads to cryptographic issue. This vulnerability is listed as CVE-2017-1000246. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in PySAML2 up to 4.4.0 and classified as critical. This issue affects some unknown functionality. The manipulation with an unknown input leads to a cryptographic issue vulnerability. Using CWE to declare the problem leads to CWE-310. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Python package pysaml2 version 4.4.0 and earlier reuses the initialization vector across encryptions in the IDP server, resulting in weak encryption of data.

The bug was discovered 11/16/2017. The weakness was presented 11/17/2017 (Website). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2017-1000246 since 11/16/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600 according to MITRE ATT&CK.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/16/2017 🔍
11/16/2017 +0 days 🔍
11/16/2017 +0 days 🔍
11/17/2017 +1 days 🔍
11/18/2017 +1 days 🔍
01/10/2023 +1879 days 🔍

Sourcesinfo

Advisory: 417
Status: Not defined

CVE: CVE-2017-1000246 (🔍)
GCVE (CVE): GCVE-0-2017-1000246
GCVE (VulDB): GCVE-100-109643

Entryinfo

Created: 11/18/2017 08:55
Updated: 01/10/2023 19:18
Changes: 11/18/2017 08:55 (53), 12/08/2019 10:48 (1), 01/10/2023 19:18 (3)
Complete: 🔍
Cache ID: 216::103

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