{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2021-38185", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2024-08-04T01:37:16.303Z", "dateReserved": "2021-08-07T00:00:00", "datePublished": "2021-08-07T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-06-04T00:00:00"}, "descriptions": [{"lang": "en", "value": "GNU cpio through 2.13 allows attackers to execute arbitrary code via a crafted pattern file, because of a dstring.c ds_fgetstr integer overflow that triggers an out-of-bounds heap write. NOTE: it is unclear whether there are common cases where the pattern file, associated with the -E option, is untrusted data."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/fangqyi/cpiopwn"}, {"url": "https://lists.gnu.org/archive/html/bug-cpio/2021-08/msg00000.html"}, {"url": "https://lists.gnu.org/archive/html/bug-cpio/2021-08/msg00002.html"}, {"url": "https://git.savannah.gnu.org/cgit/cpio.git/commit/?id=dd96882877721703e19272fe25034560b794061b"}, {"name": "[debian-lts-announce] 20230604 [SECURITY] [DLA 3445-1] cpio security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00007.html"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T01:37:16.303Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/fangqyi/cpiopwn", "tags": ["x_transferred"]}, {"url": "https://lists.gnu.org/archive/html/bug-cpio/2021-08/msg00000.html", "tags": ["x_transferred"]}, {"url": "https://lists.gnu.org/archive/html/bug-cpio/2021-08/msg00002.html", "tags": ["x_transferred"]}, {"url": "https://git.savannah.gnu.org/cgit/cpio.git/commit/?id=dd96882877721703e19272fe25034560b794061b", "tags": ["x_transferred"]}, {"name": "[debian-lts-announce] 20230604 [SECURITY] [DLA 3445-1] cpio security update", "tags": ["mailing-list", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00007.html"}]}]}}

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{"affected_release": [{"advisory": "RHSA-2022:1991", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "cpio-0:2.12-11.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-05-10T00:00:00Z"}], "bugzilla": {"description": "cpio: integer overflow in ds_fgetstr() in dstring.c can lead to an out-of-bounds write via a crafted pattern file", "id": "1991731", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1991731"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-190->CWE-787", "details": ["GNU cpio through 2.13 allows attackers to execute arbitrary code via a crafted pattern file, because of a dstring.c ds_fgetstr integer overflow that triggers an out-of-bounds heap write. NOTE: it is unclear whether there are common cases where the pattern file, associated with the -E option, is untrusted data.", "A flaw was found in cpio. An integer overflow that triggers an out-of-bounds heap write can allow an attacker to execute arbitrary code via a crafted pattern file. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability."], "name": "CVE-2021-38185", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "cpio", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "cpio", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "cpio", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2021-08-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-38185\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-38185"], "statement": "cpio on Red Hat Enterprise Linux 8 is compiled with full RELRO, which mitigates the exploitation technique demonstrated in the report. Additionally, this requires the use of an unusual set of parameters.", "threat_severity": "Moderate"}