CVE-2021-33684 (GCVE-0-2021-33684)

Vulnerability from cvelistv5 – Published: 2021-07-14 11:04 – Updated: 2024-08-03 23:58
VLAI?
Summary
SAP NetWeaver AS ABAP and ABAP Platform, versions - KRNL32NUC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL32UC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL64NUC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, KRNL64UC 8.04, 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, 7.53, KERNEL 8.04, 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, 7.53, 7.77, 7.81, 7.84, allows an attacker to send overlong content in the RFC request type thereby crashing the corresponding work process because of memory corruption vulnerability. The work process will attempt to restart itself after the crash and hence the impact on the availability is low.
Severity ?
5.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-787 - Memory Corruption (CWE-787)
Assigner
sap
References
Impacted products
Vendor Product Version
SAP SE SAP NetWeaver AS ABAP and ABAP Platform Affected: < KRNL32NUC 7.21
Affected: < 7.21EXT
Affected: < 7.22
Affected: < 7.22EXT
Affected: < KRNL32UC 7.21
Affected: < KRNL64NUC 7.21
Affected: < 7.49
Affected: < KRNL64UC 8.04
Affected: < 7.21
Affected: < 7.53
Affected: < KERNEL 8.04
Affected: < 7.77
Affected: < 7.81
Affected: < 7.84
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    "nvd": "{\"cve\":{\"id\":\"CVE-2021-33684\",\"sourceIdentifier\":\"cna@sap.com\",\"published\":\"2021-07-14T12:15:09.497\",\"lastModified\":\"2024-11-21T06:09:21.680\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"SAP NetWeaver AS ABAP and ABAP Platform, versions - KRNL32NUC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL32UC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL64NUC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, KRNL64UC 8.04, 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, 7.53, KERNEL 8.04, 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, 7.53, 7.77, 7.81, 7.84, allows an attacker to send overlong content in the RFC request type thereby crashing the corresponding work process because of memory corruption vulnerability. The work process will attempt to restart itself after the crash and hence the impact on the availability is low.\"},{\"lang\":\"es\",\"value\":\"SAP NetWeaver AS ABAP y ABAP Platform, versiones - KRNL32NUC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL32UC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL64NUC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, KRNL64UC 8.04, 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, 7. 53, KERNEL 8.04, 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, 7.53, 7.77, 7.81, 7.84, permite a un atacante enviar contenido excesivamente largo en el tipo de petici\u00f3n RFC, bloqueando as\u00ed el proceso de trabajo correspondiente debido a una vulnerabilidad de corrupci\u00f3n de memoria. El proceso de trabajo intentar\u00e1 reiniciarse por s\u00ed mismo despu\u00e9s del bloqueo y, por lo tanto, el impacto en la disponibilidad es bajo\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}],\"cvssMetricV30\":[{\"source\":\"cna@sap.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"cna@sap.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:netweaver_abap:7.21:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A46A215F-D013-4E5D-B597-EEE7FD65C27E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:netweaver_abap:7.21ext:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"125D552D-24DF-4BE6-9DA6-55177DFA6ADD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:netweaver_abap:7.22:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FFBA8C16-AD2E-4046-A22D-B8AB2A38DAD0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:netweaver_abap:7.22ext:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A701B328-CC8D-4F10-8CDB-47883CAAC116\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:netweaver_abap:7.49:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"699E6EA8-1AA9-4C0E-A373-7E2F93E2F861\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:netweaver_abap:7.53:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8A748DC7-E701-4E5B-9918-5CA6D7F52899\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:netweaver_abap:7.77:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9E438D5E-F211-4361-AC2D-E86A7CE88026\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:netweaver_abap:7.81:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"87B7FA96-2BA0-4328-8C97-31129E72D779\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:netweaver_abap:kernel_8.04:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7679B78A-CF53-42FA-8A96-319F13B40A8F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:netweaver_abap:krnl32nuc_7.21:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3BA319BA-6236-4D24-B6D4-1F8159944002\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:netweaver_abap:krnl32uc_7.21:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4C568E18-9F51-47C4-B190-75E2ADF9981C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:netweaver_abap:krnl64nuc_7.21:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C318C2FD-3521-4DA9-8934-693D3DFC137E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:netweaver_abap:krnl64uc_8.04:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6DCEFFCC-4529-4A75-A146-C28A4CA80DC3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:netweaver_application_server_abap:7.21:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F36D87C9-12A9-4D37-9BBB-E22D8A054341\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:netweaver_application_server_abap:7.21ext:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AA1D3FB7-DE15-4F23-908F-DDEAAB3C577C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:netweaver_application_server_abap:7.22:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"16B3C589-DF11-459D-8A3F-1A1FD2265022\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:netweaver_application_server_abap:7.22ext:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AF64539B-0DE2-4076-91B9-F03F4DDFAE2F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:netweaver_application_server_abap:7.49:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9FBC5614-7C3F-4AD8-8640-0499B8B03C64\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:netweaver_application_server_abap:7.53:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9E8CB869-C342-4362-9A4A-298F0B5F4003\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:netweaver_application_server_abap:7.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Required\"]},{\"url\":\"https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=580617506\",\"source\":\"cna@sap.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://launchpad.support.sap.com/#/notes/3032624\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Permissions Required\"]},{\"url\":\"https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=580617506\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.