libcURL up to 7.64.1 URL API integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in libcURL up to 7.64.1. It has been rated as critical. This issue affects some unknown processing of the component URL API. This manipulation causes integer overflow. This vulnerability is tracked as CVE-2019-5435. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in libcURL up to 7.64.1 (Network Utility Software). Affected by this vulnerability is an unknown function of the component URL API. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An integer overflow in curl's URL API results in a buffer overflow in libcurl 7.62.0 to and including 7.64.1.

The weakness was disclosed 05/28/2019 (Website). It is possible to read the advisory at curl.haxx.se. This vulnerability is known as CVE-2019-5435 since 01/04/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 197472 (Ubuntu Security Notification for Curl Vulnerabilities (USN-3993-1)).

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

The entry VDB-135668 is pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 3.7
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/04/2019 🔍
05/28/2019 +144 days 🔍
05/29/2019 +1 days 🔍
09/24/2023 +1579 days 🔍

Sourcesinfo

Advisory: K08125515
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-5435 (🔍)
GCVE (CVE): GCVE-0-2019-5435
GCVE (VulDB): GCVE-100-135667
See also: 🔍

Entryinfo

Created: 05/29/2019 08:11
Updated: 09/24/2023 15:22
Changes: 05/29/2019 08:11 (57), 06/16/2020 20:07 (1), 09/24/2023 15:22 (3)
Complete: 🔍
Cache ID: 216::103

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