Vulnerability Name:

CVE-2019-15540 (CCN-165864)

Assigned:2019-08-25
Published:2019-08-25
Updated:2020-08-24
Summary:filters/filter-cso/filter-stream.c in the CSO filter in libMirage 3.2.2 in CDemu does not validate the part size, triggering a heap-based buffer overflow that can lead to root access by a local Linux user.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
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): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:7.2 High (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-787
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2019-15540

Source: SUSE
Type: UNKNOWN
openSUSE-SU-2019:2033

Source: SUSE
Type: UNKNOWN
openSUSE-SU-2019:2040

Source: SUSE
Type: UNKNOWN
openSUSE-SU-2019:2077

Source: XF
Type: UNKNOWN
cdemu-cve201915540-bo(165864)

Source: CCN
Type: GitHub Web site
CDemu libmirage buffer overflow detailed issue

Source: MISC
Type: Exploit, Third Party Advisory
https://gist.github.com/andreafioraldi/baa79cd78131888d98d6ba680d5f514e

Source: MISC
Type: Exploit, Third Party Advisory
https://sourceforge.net/p/cdemu/bugs/119/

Source: CCN
Type: CDemu SourceForge Web site
libMirage: CSO filter: validate part size

Source: MISC
Type: Patch, Third Party Advisory
https://sourceforge.net/p/cdemu/code/ci/0e9292c9aa34bf545f43f7efe5f0b94faba94962/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:cdemu:libmirage:3.2.2:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:sysprogs:wincdemu:3.6:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:201915540
    V
    		CVE-2019-15540
    2022-06-30
    oval:org.opensuse.security:def:93459
    P
    		 (Moderate)
    2022-06-02
    oval:org.opensuse.security:def:112697
    P
    		libmirage-3_2-3.2.5-1.3 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:106173
    P
    		libmirage-3_2-3.2.5-1.3 on GA media (Moderate)
    2021-10-01
    oval:org.opensuse.security:def:63228
    P
    		openssh-fips-7.9p1-4.7 on GA media (Moderate)
    2021-09-21
    oval:org.opensuse.security:def:63454
    P
    		python2-opencv-3.3.1-6.6.1 on GA media (Moderate)
    2021-08-10
    oval:org.opensuse.security:def:63090
    P
    		gv-3.7.4-1.41 on GA media (Moderate)
    2021-08-10
    oval:org.opensuse.security:def:74343
    P
    		Security update for ImageMagick (Moderate)
    2021-01-12
    oval:org.opensuse.security:def:64277
    P
    		Security update for gcc7 (Moderate)
    2020-12-10
    oval:org.opensuse.security:def:62609
    P
    		wavpack-5.1.0-4.3.5 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:62408
    P
    		gd-2.2.5-2.22 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:62888
    P
    		blktrace-1.1.0+git.20170126-3.3.28 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:62409
    P
    		gdk-pixbuf-query-loaders-32bit-2.36.11-3.19 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:62432
    P
    		libass-devel-0.14.0-1.25 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:64021
    P
    		Security update for python-cffi, python-cryptography (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:74217
    P
    		Security update for gnome-settings-daemon, gnome-shell (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:64123
    P
    		Security update for samba (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:63781
    P
    		Security update for openldap2 (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:64165
    P
    		Security update for spice-gtk (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:63915
    P
    		Security update for xen (Important)
    2020-12-01
    oval:org.opensuse.security:def:100172
    P
    		 (Important)
    2019-11-21
    oval:org.opensuse.security:def:109967
    P
    		Security update for libmirage (Moderate)
    2019-08-31
    BACK
    cdemu libmirage 3.2.2
    sysprogs wincdemu 3.6