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    CVE-2021-31317

    Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1 are affected by a Type Confusion in the VDasher constructor of their custom fork of the rlottie library. A remote attacker might be able to access Telegram's heap memory out-of-bounds on a victim device via a malicious animated sticker.

    Published:May 18, 2021
    Last Modified:Nov 21, 2024
    EPS:May 18, 2021
    EPSS Score:0.00195
    CVSS Score:5.5

    Affected Products

    Vendor
    Telegram
    Product
    Telegram

    Exploits

    https://www.shielder.it/advisories/telegram-rlottie-vdasher-vdasher-type-confusion/https://www.shielder.it/blog/2021/02/hunting-for-bugs-in-telegrams-animated-stickers-remote-attack-surface/https://www.shielder.it/advisories/telegram-rlottie-vdasher-vdasher-type-confusion/https://www.shielder.it/blog/2021/02/hunting-for-bugs-in-telegrams-animated-stickers-remote-attack-surface/

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2023-34658 (CVSS 5.3) — Telegram v9.6.3 on iOS allows attackers to hide critical information on the User Interface via calling the fun…
    CVE-2023-26818 (CVSS 5.5) — Telegram 9.3.1 and 9.4.0 allows attackers to access restricted files, microphone ,or video recording via the D…
    CVE-2022-43363 (CVSS 6.1) — Telegram Web 15.3.1 allows XSS via a certain payload derived from a Target Corporation website. NOTE: some thi…
    CVE-2021-41861 (CVSS 3.3) — The Telegram application 7.5.0 through 7.8.0 for Android does not properly implement image self-destruction, a…
    CVE-2021-36769 (CVSS 5.3) — A reordering issue exists in Telegram before 7.8.1 for Android, Telegram before 7.8.3 for iOS, and Telegram De…
    CVE-2021-31315 (CVSS 5.5) — Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1 are affected by a Stack Based Overf…
    CVE-2021-31318 (CVSS 5.5) — Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1 are affected by a Type Confusion in…
    CVE-2021-31319 (CVSS 5.5) — Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1 are affected by an Integer Overflow…

    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