U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2024-6197 Detail

Description

libcurl's ASN1 parser has this utf8asn1str() function used for parsing an ASN.1 UTF-8 string. Itcan detect an invalid field and return error. Unfortunately, when doing so it also invokes `free()` on a 4 byte localstack buffer. Most modern malloc implementations detect this error and immediately abort. Some however accept the input pointer and add that memory to its list of available chunks. This leads to the overwriting of nearby stack memory. The content of the overwrite is decided by the `free()` implementation; likely to be memory pointers and a set of flags. The most likely outcome of exploting this flaw is a crash, although it cannot be ruled out that more serious results can be had in special circumstances.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource
http://www.openwall.com/lists/oss-security/2024/07/24/1 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2024/07/24/1 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2024/07/24/5 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2024/07/24/5 Mailing List  Third Party Advisory 
https://curl.se/docs/CVE-2024-6197.html Vendor Advisory 
https://curl.se/docs/CVE-2024-6197.html Vendor Advisory 
https://curl.se/docs/CVE-2024-6197.json Vendor Advisory 
https://curl.se/docs/CVE-2024-6197.json Vendor Advisory 
https://hackerone.com/reports/2559516 Exploit  Issue Tracking  Technical Description 
https://hackerone.com/reports/2559516 Exploit  Issue Tracking  Technical Description 
https://security.netapp.com/advisory/ntap-20241129-0008/

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-Other Other cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

7 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2024-6197
NVD Published Date:
07/24/2024
NVD Last Modified:
11/29/2024
Source:
curl