Proxygen up to 2017.04.03.00 HPACK Header use after free

CVSS Meta Temp Score
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Proxygen up to 2017.04.03.00. This vulnerability affects unknown code of the component HPACK Handler. Such manipulation as part of Header leads to use after free. This vulnerability is documented as CVE-2019-11940. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Proxygen up to 2017.04.03.00 (Firewall Software). Affected by this issue is some unknown functionality of the component HPACK Handler. The manipulation as part of a Header leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In the course of decompressing HPACK inside the HTTP2 protocol, an unexpected sequence of header table resize operations can place the header table into a corrupted state, leading to a use-after-free condition and undefined behavior. This issue affects Proxygen from v0.29.0 until v2017.04.03.00.

The weakness was released 12/04/2019 (Website). The advisory is available at facebook.com. This vulnerability is handled as CVE-2019-11940 since 05/13/2019. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

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

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

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

NVD Base Score: 9.8
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: Use after free
CWE: CWE-416 / CWE-119
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: 🔍

Patch: github.com

Timelineinfo

05/13/2019 🔍
12/04/2019 +205 days 🔍
12/05/2019 +1 days 🔍
03/07/2024 +1554 days 🔍

Sourcesinfo

Advisory: f43b134cc5c19d8532e7fb670a1c02e85f7a8d4f
Status: Not defined

CVE: CVE-2019-11940 (🔍)
GCVE (CVE): GCVE-0-2019-11940
GCVE (VulDB): GCVE-100-146666

Entryinfo

Created: 12/05/2019 07:08
Updated: 03/07/2024 11:10
Changes: 12/05/2019 07:08 (37), 12/05/2019 07:13 (18), 03/07/2024 11:10 (4)
Complete: 🔍
Cache ID: 216::103

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

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