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
Affected Vendors & Products
References
History
Fri, 29 Nov 2024 13:15:00 +0000
Type | Values Removed | Values Added |
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First Time appeared |
Curl
Curl curl |
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CPEs | cpe:2.3:a:curl:curl:*:*:*:*:*:*:*:* | |
Vendors & Products |
Curl
Curl curl |
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Metrics |
ssvc
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Fri, 29 Nov 2024 12:30:00 +0000
Type | Values Removed | Values Added |
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References |
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Mon, 26 Aug 2024 15:45:00 +0000
Type | Values Removed | Values Added |
---|---|---|
First Time appeared |
Haxx
Haxx libcurl |
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Weaknesses | NVD-CWE-Other | |
CPEs | cpe:2.3:a:haxx:libcurl:*:*:*:*:*:*:*:* | |
Vendors & Products |
Haxx
Haxx libcurl |
MITRE
Status: PUBLISHED
Assigner: curl
Published: 2024-07-24T07:29:50.003Z
Updated: 2024-11-29T12:04:44.300Z
Reserved: 2024-06-20T07:20:43.202Z
Link: CVE-2024-6197
Vulnrichment
Updated: 2024-11-29T12:04:44.300Z
NVD
Status : Modified
Published: 2024-07-24T08:15:03.340
Modified: 2024-11-29T12:15:08.430
Link: CVE-2024-6197
Redhat