Parso up to 0.4.0 Grammar Parser deserialization ⚔ [Disputed]

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Parso up to 0.4.0. Impacted is an unknown function of the component Grammar Parser. Such manipulation leads to deserialization. This vulnerability is referenced as CVE-2019-12760. It is possible to launch the attack remotely. No exploit is available. The actual existence of this vulnerability is currently in question.

Detailsinfo

A vulnerability was found in Parso up to 0.4.0 and classified as critical. Affected by this issue is an unknown functionality of the component Grammar Parser. The manipulation with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A deserialization vulnerability exists in the way parso through 0.4.0 handles grammar parsing from the cache. Cache loading relies on pickle and, provided that an evil pickle can be written to a cache grammar file and that its parsing can be triggered, this flaw leads to Arbitrary Code Execution.

The weakness was published 06/06/2019. This vulnerability is handled as CVE-2019-12760 since 06/06/2019. The attack may be launched remotely. The successful exploitation needs a simple authentication. The technical details are unknown and an exploit is not available.

The real existence of this vulnerability is still doubted at the moment.

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

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 5.0
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 3.3
CNA 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: Deserialization
CWE: CWE-502 / CWE-20
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

06/06/2019 🔍
06/06/2019 +0 days 🔍
06/07/2019 +1 days 🔍
08/05/2024 +1886 days 🔍

Sourcesinfo

Advisory: 75
Status: Not defined
Disputed: 🔍

CVE: CVE-2019-12760 (🔍)
GCVE (CVE): GCVE-0-2019-12760
GCVE (VulDB): GCVE-100-136130

Entryinfo

Created: 06/07/2019 08:27
Updated: 08/05/2024 02:31
Changes: 06/07/2019 08:27 (35), 06/20/2020 16:08 (17), 09/28/2023 13:37 (4), 06/12/2024 04:10 (26), 08/05/2024 02:31 (9)
Complete: 🔍
Cache ID: 216::103

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