CVE-2023-52071: Out-of-bounds Read
cURL libcurl is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the toolcbwrt component. By sending a specially crafted request, a remote attacker could overflow a buffer and execute arbitrary code or cause a denial of service condition on the system.
Other sources
tiny-curl-840 , curl-840 and curl-850 were discovered to contain an off-by-one out-of-bounds array index via the component toolcbwrt.
— NVD
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2023-52071?
CVE-2023-52071 is classified as a critical vulnerability due to its potential to execute arbitrary code and cause denial of service.
How do I fix CVE-2023-52071?
To fix CVE-2023-52071, upgrade to cURL version 8.4.1 or later, or version 8.5.1 or later.
What versions of cURL are affected by CVE-2023-52071?
CVE-2023-52071 affects cURL versions 8.4.0 and 8.5.0, as well as Tiny Curl version 8.4.0.
What type of vulnerability is CVE-2023-52071?
CVE-2023-52071 is a stack-based buffer overflow vulnerability caused by improper bounds checking.
Can CVE-2023-52071 be exploited remotely?
Yes, CVE-2023-52071 can be exploited remotely by sending a specially crafted request to the affected cURL versions.