CVE-2020-8927

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If one cannot update, we recommend to use the \"streaming\" API as opposed to the \"one-shot\" API, and impose chunk size limits."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-130", "description": "CWE-130 Improper Handling of Length Parameter Inconsistency", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-03-27T04:06:10.000Z", "orgId": "14ed7db2-1595-443d-9d34-6215bf890778", "shortName": "Google"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/google/brotli/releases/tag/v1.0.9"}, {"name": "openSUSE-SU-2020:1578", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00108.html"}, {"name": "FEDORA-2020-22d278923a", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MMBKACMLSRX7JJSKBTR35UOEP2WFR6QP/"}, {"name": "USN-4568-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "https://usn.ubuntu.com/4568-1/"}, {"name": "FEDORA-2020-c663fbc46c", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WW62OZEY2GHJL4JCOLJRBSRETXDHMWRK/"}, {"name": "FEDORA-2020-e21bd401ad", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J4E265WKWKYMK2RYYSIXBEGZTDY5IQE6/"}, {"name": "FEDORA-2020-bc9a739f0c", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M4VCDOJGL6BK3HB4XRD2WETBPYX2ITF6/"}, {"name": "FEDORA-2020-9336b65f82", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W23CUADGMVMQQNFKHPHXVP7RPZJZNN6I/"}, {"name": "FEDORA-2020-c76a35b209", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/356JOYTWW4BWSZ42SEFLV7NYHL3S3AEH/"}, {"name": "[debian-lts-announce] 20201201 [SECURITY] [DLA 2476-1] brotli security update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00003.html"}, {"name": "DSA-4801", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "https://www.debian.org/security/2020/dsa-4801"}, {"name": "FEDORA-2022-9e046f579a", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZXEQ3GQVELA2T4HNZG7VPMS2HDVXMJRG/"}, {"name": "FEDORA-2022-5ecee47acb", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MQLM7ABVCYJLF6JRPF3M3EBXW63GNC27/"}, {"name": "FEDORA-2022-d28042f559", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4TOGTZ2ZWDH662ZNFFSZVL3M5AJXV6JF/"}], "source": {"discovery": "EXTERNAL"}, "title": "Buffer overflow in Brotli library", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@google.com", "ID": "CVE-2020-8927", "STATE": "PUBLIC", "TITLE": "Buffer overflow in Brotli library"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Brotli", "version": {"version_data": [{"version_affected": "<=", "version_name": "stable", "version_value": "1.0.7"}]}}]}, "vendor_name": "Google LLC"}]}}, "credit": [{"lang": "eng", "value": "Jay Lv <nengzhi.pnz@antgroup.com>"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A buffer overflow exists in the Brotli library versions prior to 1.0.8 where an attacker controlling the input length of a \"one-shot\" decompression request to a script can trigger a crash, which happens when copying over chunks of data larger than 2 GiB. It is recommended to update your Brotli library to 1.0.8 or later. If one cannot update, we recommend to use the \"streaming\" API as opposed to the \"one-shot\" API, and impose chunk size limits."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-130 Improper Handling of Length Parameter Inconsistency"}]}]}, "references": {"reference_data": [{"name": "https://github.com/google/brotli/releases/tag/v1.0.9", "refsource": "CONFIRM", "url": "https://github.com/google/brotli/releases/tag/v1.0.9"}, {"name": "openSUSE-SU-2020:1578", "refsource": "SUSE", "url": 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"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W23CUADGMVMQQNFKHPHXVP7RPZJZNN6I/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WW62OZEY2GHJL4JCOLJRBSRETXDHMWRK/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZXEQ3GQVELA2T4HNZG7VPMS2HDVXMJRG/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4568-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2020/dsa-4801"}], "sourceIdentifier": "cve-coordination@google.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-130"}], "source": "cve-coordination@google.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-120"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2022:0829", "cpe": "cpe:/a:redhat:rhel_dotnet:3.1::el7", "package": "rh-dotnet31-dotnet-0:3.1.417-1.el7_9", "product_name": ".NET Core on Red Hat Enterprise Linux", "release_date": "2022-03-10T00:00:00Z"}, {"advisory": "RHSA-2022:0828", "cpe": "cpe:/a:redhat:rhel_dotnet:5.0::el7", "package": "rh-dotnet50-dotnet-0:5.0.212-1.el7_9", "product_name": ".NET Core on Red Hat Enterprise Linux", "release_date": "2022-03-10T00:00:00Z"}, {"advisory": "RHSA-2021:1702", "cpe": "cpe:/a:redhat:enterprise_linux:8", "impact": "moderate", "package": "brotli-0:1.0.6-3.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-05-18T00:00:00Z"}, {"advisory": "RHSA-2022:0827", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "dotnet3.1-0:3.1.417-1.el8_5", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-03-10T00:00:00Z"}, {"advisory": "RHSA-2022:0830", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "dotnet5.0-0:5.0.212-1.el8_5", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-03-10T00:00:00Z"}, {"advisory": "RHSA-2021:1702", "cpe": "cpe:/o:redhat:enterprise_linux:8", "impact": "moderate", "package": "brotli-0:1.0.6-3.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-05-18T00:00:00Z"}], "bugzilla": {"description": "brotli: buffer overflow when input chunk is larger than 2GiB", "id": "1879225", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1879225"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "status": "verified"}, "cwe": "CWE-130", "details": ["A buffer overflow exists in the Brotli library versions prior to 1.0.8 where an attacker controlling the input length of a \"one-shot\" decompression request to a script can trigger a crash, which happens when copying over chunks of data larger than 2 GiB. It is recommended to update your Brotli library to 1.0.8 or later. If one cannot update, we recommend to use the \"streaming\" API as opposed to the \"one-shot\" API, and impose chunk size limits.", "A buffer overflow flaw was found in the Brotli library where an attacker could control the input length of a \"one-shot\" decompression request to a script that can trigger a crash. This issue can happen when copying chunks of data larger than 2 GiB."], "mitigation": {"lang": "en:us", "value": "This flaw can be mitigated by using Streaming API instead of the One-Shot API and imposing chunk size limitations."}, "name": "CVE-2020-8927", "public_date": "2020-08-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-8927\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-8927"], "threat_severity": "Important"}

{}