CVE-2024-7264ASN.1 date parser overread

Official description

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.

Affected packages & fixed versions

Affected products (as reported)

References

• json
• www
• issue
• http://www.openwall.com/lists/oss-security/2024/07/31/1
• https://github.com/curl/curl/commit/27959ecce75cdb2809c0bdb3286e60e08fadb519
• https://security.netapp.com/advisory/ntap-20240828-0008/
• https://security.netapp.com/advisory/ntap-20241025-0010/
• https://security.netapp.com/advisory/ntap-20241025-0006/
• https://cert-portal.siemens.com/productcert/html/ssa-398330.html
• https://cert-portal.siemens.com/productcert/html/ssa-355557.html
• https://cert-portal.siemens.com/productcert/html/ssa-089022.html