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{"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.debian.org/security/2019/dsa-4487"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2019:1774", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "vim-2:7.4.629-5.el6_10.2", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2019-07-15T00:00:00Z"}, {"advisory": "RHSA-2019:1619", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "vim-2:7.4.160-6.el7_6", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-06-27T00:00:00Z"}, {"advisory": "RHSA-2019:1947", "cpe": "cpe:/o:redhat:rhel_eus:7.4", "package": "vim-2:7.4.160-2.el7_4.1", "product_name": "Red Hat Enterprise Linux 7.4 Extended Update Support", "release_date": "2019-07-30T00:00:00Z"}, {"advisory": "RHSA-2019:1793", "cpe": "cpe:/o:redhat:rhel_eus:7.5", "package": "vim-2:7.4.160-4.el7_5.1", "product_name": "Red Hat Enterprise Linux 7.5 Extended Update Support", "release_date": "2019-07-16T00:00:00Z"}, {"advisory": "RHSA-2019:1619", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "vim-2:8.0.1763-11.el8_0", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-06-27T00:00:00Z"}, {"advisory": "RHSA-2019:1619", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "vim-2:8.0.1763-11.el8_0", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-06-27T00:00:00Z"}], "bugzilla": {"description": "vim/neovim: ': source!' command allows arbitrary command execution via modelines", "id": "1718308", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1718308"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "status": "verified"}, "cwe": "CWE-94", "details": ["getchar.c in Vim before 8.1.1365 and Neovim before 0.3.6 allows remote attackers to execute arbitrary OS commands via the :source! command in a modeline, as demonstrated by execute in Vim, and assert_fails or nvim_input in Neovim.", "It was found that the `:source!` command was not restricted by the sandbox mode. If modeline was explicitly enabled, opening a specially crafted text file in vim could result in arbitrary command execution."], "mitigation": {"lang": "en:us", "value": "The vulnerability can be triggered only if `modeline` is enabled. You can check whether `modeline` is enabled within vim via the command `:set modeline?`\nIt can be turned off explicitly by adding `set nomodeline` in a vimrc file."}, "name": "CVE-2019-12735", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Out of support scope", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2019-06-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-12735\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-12735"], "statement": "To be successfully and automatically triggered when a specially crafted file is opened, this vulnerability requires 3 parts :\n1) The `source!` command inability to check if it is running in sandbox mode (the fix commit prevents this)\n2) The `modeline` to be enabled (by default, modeline is disabled when running with root permission. See `Mitigation` steps to disable the modeline)\n3) A function, to be inserted in the modeline, that can be used to trigger the `source!` command (e.g.: `assert_fail()` in the public reproducer). To the best of our knowledge, no such functions were found in the default installation of Red Hat Enterprise Linux versions 5, 6 and 7 at the time of the flaw. However, Red Hat Enterprise Linux version 8 contains `assert_fail()`.\nWithout part 2 or 3, it would be required for an attacker to be able to craft the command line used to open the crafted file, in order to trigger the vulnerability.", "threat_severity": "Important"}

{}