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    CVE-2021-45429

    A Buffer Overflow vulnerablity exists in VirusTotal YARA git commit: 605b2edf07ed8eb9a2c61ba22eb2e7c362f47ba7 via yr_set_configuration in yara/libyara/libyara.c, which could cause a Denial of Service.

    Published:Feb 4, 2022
    Last Modified:Mar 27, 2025
    EPS:Feb 4, 2022
    EPSS Score:0.0007
    CVSS Score:5.5

    Affected Products

    Vendor
    Virustotal
    Product
    Yara

    Exploits

    https://github.com/VirusTotal/yara/issues/1616https://github.com/VirusTotal/yara/issues/1616

    Related CVEs

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    CVE-2019-5020 (CVSS 5.5) — An exploitable denial of service vulnerability exists in the object lookup functionality of Yara 3.8.1. A spec…
    CVE-2018-19974 (CVSS 5.5) — In YARA 3.8.1, bytecode in a specially crafted compiled rule can read uninitialized data from VM scratch memor…
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    CVE-2018-19976 (CVSS 5.5) — In YARA 3.8.1, bytecode in a specially crafted compiled rule is exposed to information about its environment, …
    CVE-2018-12034 (CVSS 7.8) — In YARA 3.7.1 and prior, parsing a specially crafted compiled rule file can cause an out of bounds read vulner…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High