Buffer Overflow vulnerability in VIM v.8.1.2135 allows a remote attacker to execute arbitrary code via the operand parameter.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Buffer Overflow vulnerability in VIM v.8.1.2135 allows a remote attacker to execute arbitrary code via the     operand parameter. (CVE-2020-20703)

Note that Nessus relies on the presence of the package as reported by the vendor.

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2022-1557 advisory.

    2024-05-09: CVE-2020-20703 was added to this advisory.

    Buffer Overflow vulnerability in VIM v.8.1.2135 allows a remote attacker to execute arbitrary code via the     operand parameter. (CVE-2020-20703)

    vim is vulnerable to Heap-based Buffer Overflow (CVE-2021-3903)

    A flaw was found in vim. A possible heap-based buffer overflow could allow an attacker to input a     specially crafted file leading to a crash or code execution. The highest threat from this vulnerability is     to data confidentiality and integrity as well as system availability. (CVE-2021-3927)

    A flaw was found in vim. A possible stack-based buffer overflow could allow an attacker to input a     specially crafted file leading to a crash or code execution. The highest threat from this vulnerability is     to data confidentiality and integrity as well as system availability. (CVE-2021-3928)

    A flaw was found in vim. A possible heap use-after-free vulnerability could allow an attacker to input a     specially crafted file leading to a crash or code execution. The highest threat from this vulnerability is     to system availability. (CVE-2021-3968)

    A flaw was found in vim. A possible heap-based buffer overflow could allow an attacker to input a     specially crafted file leading to a crash or code execution. The highest threat from this vulnerability is     to system availability. (CVE-2021-3973)

    A flaw was found in vim. A possible use-after-free vulnerability could allow an attacker to input a     specially crafted file leading to a crash or code execution. The highest threat from this vulnerability is     to system availability. (CVE-2021-3974)

    A flaw was found in vim. A possible heap-based buffer overflow allows an attacker to input a specially     crafted file, leading to a crash or code execution. The highest threat from this vulnerability is     confidentiality, integrity, and system availability. (CVE-2021-3984)

    A flaw was found in vim. A possible heap-based buffer overflow vulnerability allows an attacker to input a     specially crafted file, leading to a crash or code execution. The highest threat from this vulnerability     is system availability. (CVE-2021-4019)

    vim is vulnerable to Use After Free (CVE-2021-4069)

    A flaw was found in vim. A possible heap-based buffer overflow could allow an attacker to input a     specially crafted file leading to a crash or code execution. (CVE-2021-4136)

    A flaw was found in vim. A possible heap-based buffer overflow could allow an attacker to input a     specially crafted file leading to a crash or code execution. (CVE-2021-4166)

    A flaw was found in vim. A possible use after free vulnerability could allow an attacker to input a     specially crafted file leading to a crash or code execution. (CVE-2021-4173)

    A flaw was found in vim. A possible use after free vulnerability could allow an attacker to input a     specially crafted file leading to a crash or code execution. (CVE-2021-4187)

    It was found that vim was vulnerable to use-after-free flaw in win_linetabsize(). Sourcing a specially     crafted file in vim could crash the vim process or possibly lead to other undefined behaviors.
    (CVE-2021-4192)

    It was found that vim was vulnerable to an out-of-bound read flaw in getvcol(). A specially crafted file     could be used to, when opened in vim, disclose some of the process's internal memory. (CVE-2021-4193)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2021-1728 advisory.

    2024-05-09: CVE-2020-20703 was added to this advisory.

    Buffer Overflow vulnerability in VIM v.8.1.2135 allows a remote attacker to execute arbitrary code via the     operand parameter. (CVE-2020-20703)

    A flaw was found in vim. A possible heap-based buffer overflow could allow an attacker to input a     specially crafted file leading to a crash or code execution. The highest threat from this vulnerability is     to data confidentiality and integrity as well as system availability. (CVE-2021-3778)

    A use-after-free vulnerability in vim could allow an attacker to input a specially crafted file leading to     memory corruption and a potentially exploitable crash or code execution. The highest threat from this     vulnerability is to data confidentiality and integrity as well as system availability. (CVE-2021-3796)

    An out-of-bounds write flaw was found in vim's drawscreen.c win_redr_status() function. This flaw allows     an attacker to trick a user to open a crafted file with specific arguments in vim, triggering an out-of-     bounds write. The highest threat from this vulnerability is to confidentiality, integrity, and system     availability. (CVE-2021-3872)

    There's an out-of-bounds read flaw in Vim's ex_docmd.c. An attacker who is capable of tricking a user into     opening a specially crafted file could trigger an out-of-bounds read on a memmove operation, potentially     causing an impact to application availability. (CVE-2021-3875)

    A flaw was found in vim. A possible heap use-after-free vulnerability could allow an attacker to input a     specially crafted file leading to a crash or code execution. The highest threat from this vulnerability is     to system availability. (CVE-2021-3968)

    A flaw was found in vim. A possible heap-based buffer overflow could allow an attacker to input a     specially crafted file leading to a crash or code execution. The highest threat from this vulnerability is     to system availability. (CVE-2021-3973)

    A flaw was found in vim. A possible use-after-free vulnerability could allow an attacker to input a     specially crafted file leading to a crash or code execution. The highest threat from this vulnerability is     to system availability. (CVE-2021-3974)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
260311	Linux Distros Unpatched Vulnerability : CVE-2020-20703	Nessus	Misc.	critical
156877	Amazon Linux AMI : vim (ALAS-2022-1557)	Nessus	Amazon Linux Local Security Checks	critical
155982	Amazon Linux 2 : vim (ALAS-2021-1728)	Nessus	Amazon Linux Local Security Checks	critical

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CVE-2020-20703

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