Vulnerability Name:

CVE-2015-8750 (CCN-110231)

Assigned:2016-01-06
Published:2016-01-06
Updated:2022-03-01
Summary:libdwarf 20151114 and earlier allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a debug_abbrev section marked NOBITS in an ELF 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:O/RC:C)
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
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
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
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-476
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2015-8750

Source: CCN
Type: oss-sec Mailing List, Wed, 6 Jan 2016 18:26:07 +0800 (CST)
CVE request -- NULL dereference in libdwarf

Source: CCN
Type: oss-sec Mailing List, Thu, 7 Jan 2016 18:55:25 -0500 (EST)
Re: CVE request -- NULL dereference in libdwarf

Source: MLIST
Type: Mailing List, Patch, Third Party Advisory
[oss-security] 20160107 Re: CVE request -- NULL dereference in libdwarf

Source: CCN
Type: Red Hat Bugzilla – Bug 1294264
NULL dereference in libdwarf ( tested in libdwarf-20151114)

Source: CONFIRM
Type: Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1294264

Source: XF
Type: UNKNOWN
libdwarf-cve20158750-dos(110231)

Source: CCN
Type: tomhughes libdwarf GitHub repository
A DWARF related section marked SHT_NOBITS (elf section type)

Source: CONFIRM
Type: Broken Link, Issue Tracking, Patch, Third Party Advisory
https://github.com/tomhughes/libdwarf/commit/11750a2838e52953013e3114ef27b3c7b1780697

Vulnerable Configuration:Configuration 1:
  • cpe:/a:libdwarf_project:libdwarf:*:*:*:*:*:*:*:* (Version >= 1999-12-14 and <= 2015-11-14)

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20158750000
    V
    		CVE-2015-8750 on Ubuntu 12.04 LTS (precise) - medium.
    2017-02-13
    oval:com.ubuntu.trusty:def:20158750000
    V
    		CVE-2015-8750 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-02-13
    oval:com.ubuntu.xenial:def:20158750000
    V
    		CVE-2015-8750 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-02-13
    oval:com.ubuntu.xenial:def:201587500000000
    V
    		CVE-2015-8750 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-02-13
    BACK
    libdwarf_project libdwarf *