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    CVE-2018-4878

    A use-after-free vulnerability was discovered in Adobe Flash Player before 28.0.0.161. This vulnerability occurs due to a dangling pointer in the Primetime SDK related to media player handling of listener objects. A successful attack can lead to arbitrary code execution. This was exploited in the wild in January and February 2018.

    Published:Feb 1, 2018
    Last Modified:Nov 18, 2025
    EPS:Feb 6, 2018
    EPSS Score:0.93006
    CVSS Score:7.8

    CISA Notification

    Description

    A use-after-free vulnerability was discovered in Adobe Flash Player before 28.0.0.161. This vulnerability occurs due to a dangling pointer in the Primetime SDK related to media player handling of listener objects. A successful attack can lead to arbitrary code execution. This was exploited in the wild in January and February 2018.

    Required Action:

    The impacted product is end-of-life and should be disconnected if still in use.

    Notes:

    No extra notes provided.

    Due Date
    May 3, 2022
    1592 days ago
    Alert Date
    Nov 3, 2021
    1773 days ago

    Affected Products

    Vendor
    Adobe
    Product
    Flash Player
    Vendor
    Apple
    Product
    Macos
    Vendor
    Google
    Product
    Chrome Os
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Microsoft
    Product
    Windows
    Vendor
    Microsoft
    Product
    Windows 10
    Vendor
    Microsoft
    Product
    Windows 8.1
    Vendor
    Redhat
    Product
    Enterprise Linux Desktop
    Vendor
    Redhat
    Product
    Enterprise Linux Server
    Vendor
    Redhat
    Product
    Enterprise Linux Workstation
    Vendor
    Redhat
    Product
    Rhel Extras

    Exploits

    https://securingtomorrow.mcafee.com/mcafee-labs/hackers-bypassed-adobe-flash-protection-mechanism/https://www.exploit-db.com/exploits/44412/https://securingtomorrow.mcafee.com/mcafee-labs/hackers-bypassed-adobe-flash-protection-mechanism/https://www.exploit-db.com/exploits/44412/https://www.exploit-db.com/exploits/44412https://github.com/B0fH/CVE-2018-4878https://github.com/demonsec666/CVE-2018-4878https://github.com/HuanWoWeiLan/SoftwareSystemSecurity-2019https://github.com/KathodeN/CVE-2018-4878https://github.com/lvyoshino/CVE-2018-4878https://github.com/mdsecactivebreach/CVE-2018-4878https://github.com/SyFi/CVE-2018-4878https://github.com/vysecurity/CVE-2018-4878https://github.com/Yable/CVE-2018-4878https://github.com/ydl555/CVE-2018-4878https://github.com/ydl555/CVE-2018-4878-https://www.exploit-db.com/exploits/44744https://www.exploit-db.com/exploits/44745

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2020-9746 (CVSS 7) — Adobe Flash Player version 32.0.0.433 (and earlier) are affected by an exploitable NULL pointer dereference vu…
    CVE-2020-9633 (CVSS 9.8) — Adobe Flash Player Desktop Runtime 32.0.0.371 and earlier, Adobe Flash Player for Google Chrome 32.0.0.371 and…
    CVE-2020-3757 (CVSS 8.8) — Adobe Flash Player versions 32.0.0.321 and earlier, 32.0.0.314 and earlier, 32.0.0.321 and earlier, and 32.0.0…
    CVE-2019-8075 (CVSS 7.5) — Adobe Flash Player version 32.0.0.192 and earlier versions have a Same Origin Policy Bypass vulnerability. Suc…
    CVE-2019-8070 (CVSS 9.8) — Adobe Flash Player 32.0.0.238 and earlier versions, 32.0.0.207 and earlier versions have a Use after free vuln…
    CVE-2019-8069 (CVSS 9.8) — Adobe Flash Player 32.0.0.238 and earlier versions, 32.0.0.207 and earlier versions have a Same Origin Method …
    CVE-2019-7845 (CVSS 8.8) — Adobe Flash Player versions 32.0.0.192 and earlier, 32.0.0.192 and earlier, and 32.0.0.192 and earlier have an…
    CVE-2019-7837 (CVSS 8.8) — Adobe Flash Player versions 32.0.0.171 and earlier, 32.0.0.171 and earlier, and 32.0.0.171 and earlier have a …
    CVE-2019-7108 (CVSS 7.5) — Adobe Flash Player versions 32.0.0.156 and earlier, 32.0.0.156 and earlier, and 32.0.0.156 and earlier have an…
    CVE-2019-7096 (CVSS 9.8) — Adobe Flash Player versions 32.0.0.156 and earlier, 32.0.0.156 and earlier, and 32.0.0.156 and earlier have an…

    References

    http://blog.talosintelligence.com/2018/02/group-123-goes-wild.html
    http://www.securityfocus.com/bid/102893
    http://www.securitytracker.com/id/1040318
    https://access.redhat.com/errata/RHSA-2018:0285
    https://blog.morphisec.com/flash-exploit-cve-2018-4878-spotted-in-the-wild-massive-malspam-campaign
    https://github.com/InQuest/malware-samples/tree/master/CVE-2018-4878-Adobe-Flash-DRM-UAF-0day
    https://github.com/vysec/CVE-2018-4878
    https://helpx.adobe.com/security/products/flash-player/apsb18-03.html
    https://securingtomorrow.mcafee.com/mcafee-labs/hackers-bypassed-adobe-flash-protection-mechanism/
    https://threatpost.com/adobe-flash-player-zero-day-spotted-in-the-wild/129742/
    https://www.darkreading.com/threat-intelligence/adobe-flash-vulnerability-reappears-in-malicious-word-files/d/d-id/1331139
    https://www.exploit-db.com/exploits/44412/
    https://www.fireeye.com/blog/threat-research/2018/02/attacks-leveraging-adobe-zero-day.html
    https://www.trendmicro.com/vinfo/us/security/news/vulnerabilities-and-exploits/north-korean-hackers-allegedly-exploit-adobe-flash-player-vulnerability-cve-2018-4878-against-south-korean-targets
    http://blog.talosintelligence.com/2018/02/group-123-goes-wild.html
    http://www.securityfocus.com/bid/102893
    http://www.securitytracker.com/id/1040318
    https://access.redhat.com/errata/RHSA-2018:0285
    https://blog.morphisec.com/flash-exploit-cve-2018-4878-spotted-in-the-wild-massive-malspam-campaign
    https://github.com/InQuest/malware-samples/tree/master/CVE-2018-4878-Adobe-Flash-DRM-UAF-0day
    https://github.com/vysec/CVE-2018-4878
    https://helpx.adobe.com/security/products/flash-player/apsb18-03.html
    https://securingtomorrow.mcafee.com/mcafee-labs/hackers-bypassed-adobe-flash-protection-mechanism/
    https://threatpost.com/adobe-flash-player-zero-day-spotted-in-the-wild/129742/
    https://www.darkreading.com/threat-intelligence/adobe-flash-vulnerability-reappears-in-malicious-word-files/d/d-id/1331139
    https://www.exploit-db.com/exploits/44412/
    https://www.fireeye.com/blog/threat-research/2018/02/attacks-leveraging-adobe-zero-day.html
    https://www.trendmicro.com/vinfo/us/security/news/vulnerabilities-and-exploits/north-korean-hackers-allegedly-exploit-adobe-flash-player-vulnerability-cve-2018-4878-against-south-korean-targets
    https://github.com/cisagov/vulnrichment/issues/196
    https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-4878

    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