{"containers": {"cna": {"affected": [{"product": "Routinator", "vendor": "NLnet Labs", "versions": [{"lessThanOrEqual": "0.10.1", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "We would like to thank Koen van Hove for the discovery."}], "datePublic": "2021-11-09T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "NLnet Labs Routinator versions 0.9.0 up to and including 0.10.1, support the gzip transfer encoding when querying RRDP repositories. This encoding can be used by an RRDP repository to cause an out-of-memory crash in these versions of Routinator. RRDP uses XML which allows arbitrary amounts of white space in the encoded data. The gzip scheme compresses such white space extremely well, leading to very small compressed files that become huge when being decompressed for further processing, big enough that Routinator runs out of memory when parsing input data waiting for the next XML element."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-1325", "description": "CWE-1325: Improperly Controlled Sequential Memory Allocation", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-01-12T10:06:12.000Z", "orgId": "206fc3a0-e175-490b-9eaa-a5738056c9f6", "shortName": "NLnet Labs"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.nlnetlabs.nl/downloads/routinator/CVE-2021-43172_CVE-2021-43173_CVE-2021-43174.txt"}, {"name": "DSA-5041", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "https://www.debian.org/security/2022/dsa-5041"}], "title": "gzip transfer encoding caused out-of-memory crash", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "sep@nlnetlabs.nl", "DATE_PUBLIC": "2021-11-09T14:00:00.000Z", "ID": "CVE-2021-43174", "STATE": "PUBLIC", "TITLE": "gzip transfer encoding caused out-of-memory crash"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Routinator", "version": {"version_data": [{"version_affected": "<=", "version_number": "0.9.0", "version_value": "0.10.1"}]}}]}, "vendor_name": "NLnet Labs"}]}}, "credit": [{"lang": "eng", "value": "We would like to thank Koen van Hove for the discovery."}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "NLnet Labs Routinator versions 0.9.0 up to and including 0.10.1, support the gzip transfer encoding when querying RRDP repositories. This encoding can be used by an RRDP repository to cause an out-of-memory crash in these versions of Routinator. RRDP uses XML which allows arbitrary amounts of white space in the encoded data. The gzip scheme compresses such white space extremely well, leading to very small compressed files that become huge when being decompressed for further processing, big enough that Routinator runs out of memory when parsing input data waiting for the next XML element."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-1325: Improperly Controlled Sequential Memory Allocation"}]}]}, "references": {"reference_data": [{"name": "https://www.nlnetlabs.nl/downloads/routinator/CVE-2021-43172_CVE-2021-43173_CVE-2021-43174.txt", "refsource": "MISC", "url": "https://www.nlnetlabs.nl/downloads/routinator/CVE-2021-43172_CVE-2021-43173_CVE-2021-43174.txt"}, {"name": "DSA-5041", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2022/dsa-5041"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T03:47:13.587Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.nlnetlabs.nl/downloads/routinator/CVE-2021-43172_CVE-2021-43173_CVE-2021-43174.txt"}, {"name": "DSA-5041", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "https://www.debian.org/security/2022/dsa-5041"}]}]}, "cveMetadata": {"assignerOrgId": "206fc3a0-e175-490b-9eaa-a5738056c9f6", "assignerShortName": "NLnet Labs", "cveId": "CVE-2021-43174", "datePublished": "2021-11-09T16:41:41.211Z", "dateReserved": "2021-11-01T00:00:00.000Z", "dateUpdated": "2024-09-16T21:08:21.566Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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