libcurl 7.88.0/7.88.1 HSTS use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in libcurl 7.88.0/7.88.1. It has been rated as problematic. This vulnerability affects unknown code of the component HSTS Handler. Performing a manipulation results in use after free. This vulnerability is reported as CVE-2023-27537. The attack requires a local approach. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in libcurl 7.88.0/7.88.1 (Network Utility Software). It has been classified as problematic. This affects an unknown function of the component HSTS Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 03/25/2023. It is possible to read the advisory at curl.se. This vulnerability is uniquely identified as CVE-2023-27537 since 03/02/2023. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 8.0.0 eliminates this vulnerability. The upgrade is hosted for download at curl.se.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libcurl 8.0.0

Timelineinfo

03/02/2023 🔍
03/25/2023 +23 days 🔍
03/25/2023 +0 days 🔍
04/15/2023 +21 days 🔍

Sourcesinfo

Advisory: curl.se
Status: Confirmed

CVE: CVE-2023-27537 (🔍)
GCVE (CVE): GCVE-0-2023-27537
GCVE (VulDB): GCVE-100-224007

Entryinfo

Created: 03/25/2023 09:26
Updated: 04/15/2023 09:36
Changes: 03/25/2023 09:26 (40), 04/15/2023 09:35 (1), 04/15/2023 09:36 (11)
Complete: 🔍
Cache ID: 216::103

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