Vulnerability Name:

CVE-2017-9998 (CCN-127898)

Assigned:2017-06-28
Published:2017-06-28
Updated:2022-03-01
Summary:The _dwarf_decode_s_leb128_chk function in dwarf_leb.c in libdwarf through 2017-06-28 allows remote attackers to cause a denial of service (Segmentation fault) via a crafted file.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.9 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-119
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2017-9998

Source: BID
Type: Third Party Advisory, VDB Entry
99310

Source: CCN
Type: BID-99310
Libdwarf CVE-2017-9998 Remote Denial Of Service Vulnerability

Source: CCN
Type: Red Hat Bugzilla – Bug 1465756
There is a unknown memory access in _dwarf_decode_s_leb128_chk() of dwarfdump

Source: MISC
Type: Exploit, Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1465756

Source: XF
Type: UNKNOWN
libdwarf-cve20179998-dos(127898)

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2017-9998

Vulnerable Configuration:Configuration 1:
  • cpe:/a:libdwarf_project:libdwarf:*:*:*:*:*:*:*:* (Version >= 1999-12-14 and <= 2017-06-28)

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.xenial:def:201799980000000
    V
    		CVE-2017-9998 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-06-28
    oval:com.ubuntu.artful:def:20179998000
    V
    		CVE-2017-9998 on Ubuntu 17.10 (artful) - medium.
    2017-06-28
    oval:com.ubuntu.xenial:def:20179998000
    V
    		CVE-2017-9998 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-06-28
    oval:com.ubuntu.disco:def:201799980000000
    V
    		CVE-2017-9998 on Ubuntu 19.04 (disco) - medium.
    2017-06-28
    oval:com.ubuntu.bionic:def:20179998000
    V
    		CVE-2017-9998 on Ubuntu 18.04 LTS (bionic) - medium.
    2017-06-28
    oval:com.ubuntu.cosmic:def:201799980000000
    V
    		CVE-2017-9998 on Ubuntu 18.10 (cosmic) - medium.
    2017-06-28
    oval:com.ubuntu.cosmic:def:20179998000
    V
    		CVE-2017-9998 on Ubuntu 18.10 (cosmic) - medium.
    2017-06-28
    oval:com.ubuntu.bionic:def:201799980000000
    V
    		CVE-2017-9998 on Ubuntu 18.04 LTS (bionic) - medium.
    2017-06-28
    oval:com.ubuntu.trusty:def:20179998000
    V
    		CVE-2017-9998 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-06-28
    BACK
    libdwarf_project libdwarf *