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    CVE-2018-20197

    There is a stack-based buffer underflow in the third instance of the calculate_gain function in libfaad/sbr_hfadj.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. A crafted input will lead to a denial of service or possibly unspecified other impact because limiting the additional noise energy level is mishandled for the G_max > G case.

    Published:Dec 18, 2018
    Last Modified:Nov 21, 2024
    EPS:Dec 18, 2018
    EPSS Score:0.0033
    CVSS Score:7.8

    Affected Products

    Vendor
    Audiocoding
    Product
    Freeware Advanced Audio Decoder 2

    Exploits

    https://github.com/knik0/faad2/issues/20https://github.com/knik0/faad2/issues/20

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2019-15296 (CVSS 7.8) — An issue was discovered in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. The faad_resetbits function in lib…
    CVE-2019-6956 (CVSS 7.1) — An issue was discovered in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. It is a buffer over-read in ps_mix…
    CVE-2018-20358 (CVSS 5.5) — An invalid memory address dereference was discovered in the lt_prediction function of libfaad/lt_predict.c in …
    CVE-2018-20361 (CVSS 5.5) — An invalid memory address dereference was discovered in the hf_assembly function of libfaad/sbr_hfadj.c in Fre…
    CVE-2018-20360 (CVSS 5.5) — An invalid memory address dereference was discovered in the sbr_process_channel function of libfaad/sbr_dec.c …
    CVE-2018-20357 (CVSS 5.5) — A NULL pointer dereference was discovered in sbr_process_channel of libfaad/sbr_dec.c in Freeware Advanced Aud…
    CVE-2018-20362 (CVSS 5.5) — A NULL pointer dereference was discovered in ifilter_bank of libfaad/filtbank.c in Freeware Advanced Audio Dec…
    CVE-2018-20359 (CVSS 5.5) — An invalid memory address dereference was discovered in the sbrDecodeSingleFramePS function of libfaad/sbr_dec…
    CVE-2018-20196 (CVSS 7.8) — There is a stack-based buffer overflow in the third instance of the calculate_gain function in libfaad/sbr_hfa…
    CVE-2018-20195 (CVSS 5.5) — A NULL pointer dereference was discovered in ic_predict of libfaad/ic_predict.c in Freeware Advanced Audio Dec…

    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