Vulnerability Monitor

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CVE-2024-7264

libcurl's ASN1 parser code has the `GTime2str()` function, used for parsing an ASN.1 Generalized Time field. If given an syntactically incorrect field, the parser might end up using -1 for the length of the *time fraction*, leading to a `strlen()` getting performed on a pointer to a heap buffer area that is not (purposely) null terminated. This flaw most likely leads to a crash, but can also lead to heap contents getting returned to the application when [CURLINFO_CERTINFO](https://curl.se/libcurl/c/CURLINFO_CERTINFO.html) is used.

Published

2024-07-31T08:15:02.657

Last Modified

2024-11-21T09:51:10.360

Status

Modified

Source

2499f714-1537-4658-8207-48ae4bb9eae9

Severity

CVSSv3.1: 6.5 (MEDIUM)

Weaknesses

Type: Primary
CWE-125

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	haxx	libcurl	< 8.9.1	Yes

References

http://www.openwall.com/lists/oss-security/2024/07/31/1 Mailing List (2499f714-1537-4658-8207-48ae4bb9eae9)
https://curl.se/docs/CVE-2024-7264.html Vendor Advisory (2499f714-1537-4658-8207-48ae4bb9eae9)
https://curl.se/docs/CVE-2024-7264.json Vendor Advisory (2499f714-1537-4658-8207-48ae4bb9eae9)
https://hackerone.com/reports/2629968 Exploit, Issue Tracking, Permissions Required, Third Party Advisory (2499f714-1537-4658-8207-48ae4bb9eae9)
http://www.openwall.com/lists/oss-security/2024/07/31/1 Mailing List (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/curl/curl/commit/27959ecce75cdb2809c0bdb3286e60e08fadb519 (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20240828-0008/ (af854a3a-2127-422b-91ae-364da2661108)