cURL up to 7.65.3 FTP-Kerberos double free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in cURL up to 7.65.3. Affected is an unknown function of the component FTP-Kerberos. This manipulation causes double free. This vulnerability is tracked as CVE-2019-5481. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in cURL up to 7.65.3 (Network Utility Software). Affected by this vulnerability is an unknown functionality of the component FTP-Kerberos. The manipulation with an unknown input leads to a double free vulnerability. The CWE definition for the vulnerability is CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Double-free vulnerability in the FTP-kerberos code in cURL 7.52.0 to 7.65.3.

The weakness was disclosed 09/16/2019 (Website). The advisory is shared at curl.haxx.se. This vulnerability is known as CVE-2019-5481 since 01/04/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 236591 (Alibaba Cloud Linux 3 : 0078: curl (ALINUX3-SA-2021:0078)), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (236591). The entry VDB-141878 is pretty similar. If you want to get the best quality for vulnerability data then you always have to consider 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: Double free
CWE: CWE-415 / 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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Nessus ID: 236591
Nessus Name: Alibaba Cloud Linux 3 : 0078: curl (ALINUX3-SA-2021:0078)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/04/2019 🔍
09/16/2019 +255 days 🔍
09/17/2019 +1 days 🔍
05/20/2025 +2072 days 🔍

Sourcesinfo

Advisory: FEDORA-2019-6d7f6fa2c8
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-5481 (🔍)
GCVE (CVE): GCVE-0-2019-5481
GCVE (VulDB): GCVE-100-141877
See also: 🔍

Entryinfo

Created: 09/17/2019 09:28
Updated: 05/20/2025 19:36
Changes: 09/17/2019 09:28 (56), 08/27/2020 12:53 (1), 12/25/2023 15:05 (3), 05/20/2025 19:36 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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