Stack-based Buffer Overflow in libwebsockets DNS response parsing
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| warmcat | libwebsocket | unaffected |
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No data.
No data.
| Vendor | Product | Versions |
|---|---|---|
| Warmcat | Libwebsockets | — |
Vendor Solution
Update the library to its latest stable release, if not possible backport the fix commit 2bb9598562b37c942ba5b04bcde3f7fdf66a9d3a
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-4373-1 | libwebsockets security update |
Ubuntu USN |
USN-8024-1 | Libwebsockets vulnerabilities |
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.285% probability within 30 days)
| Type | Values Removed | Values Added |
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| References |
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| Metrics |
threat_severity
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cvssV3_1
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| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Warmcat
Warmcat libwebsockets |
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| Vendors & Products |
Warmcat
Warmcat libwebsockets |
| Type | Values Removed | Values Added |
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| Metrics |
ssvc
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| Description | Stack-based Buffer Overflow in lws_adns_parse_label in warmcat libwebsockets allows, when the LWS_WITH_SYS_ASYNC_DNS flag is enabled during compilation, to overflow the label_stack, when the attacker is able to sniff a DNS request in order to craft a response with a matching id containing a label longer than the maximum. | |
| Title | Stack-based Buffer Overflow in libwebsockets DNS response parsing | |
| Weaknesses | CWE-121 | |
| References |
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| Metrics |
cvssV4_0
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