Vulnerability Name:

CVE-2017-9815 (CCN-127872)

Assigned:2017-06-21
Published:2017-06-21
Updated:2019-10-03
Summary:In LibTIFF 4.0.7, the TIFFReadDirEntryLong8Array function in libtiff/tif_dirread.c mishandles a malloc operation, which allows attackers to cause a denial of service (memory leak within the function _TIFFmalloc in tif_unix.c) 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-772
Vulnerability Consequences:Denial of Service
References:Source: MISC
Type: Issue Tracking, Third Party Advisory
http://bugzilla.maptools.org/show_bug.cgi?id=2682

Source: MITRE
Type: CNA
CVE-2017-9815

Source: CCN
Type: LibTIFF Web site
LibTIFF

Source: CCN
Type: some vulns blog, June 21,2017
LibTIFF:memory leak in _TIFFmalloc

Source: MISC
Type: Third Party Advisory
http://somevulnsofadlab.blogspot.jp/2017/06/libtiffmemory-leak-in-tiffmalloc.html

Source: BID
Type: Third Party Advisory, VDB Entry
99235

Source: CCN
Type: BID-99235
LibTIFF 'libtiff/tif_dirread.c' Denial of Service Vulnerability

Source: XF
Type: UNKNOWN
libtiff-cve20179815-dos(127872)

Source: UBUNTU
Type: Third Party Advisory
USN-3602-1

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2017-9815

Vulnerable Configuration:Configuration 1:
  • cpe:/a:libtiff:libtiff:4.0.7:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

    • Configuration CCN 1:
  • cpe:/a:libtiff:libtiff:4.0.7:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.artful:def:20179815000
    V
    		CVE-2017-9815 on Ubuntu 17.10 (artful) - low.
    2017-06-22
    oval:com.ubuntu.trusty:def:20179815000
    V
    		CVE-2017-9815 on Ubuntu 14.04 LTS (trusty) - low.
    2017-06-22
    oval:com.ubuntu.xenial:def:20179815000
    V
    		CVE-2017-9815 on Ubuntu 16.04 LTS (xenial) - low.
    2017-06-22
    oval:com.ubuntu.xenial:def:201798150000000
    V
    		CVE-2017-9815 on Ubuntu 16.04 LTS (xenial) - low.
    2017-06-22
    BACK
    libtiff libtiff 4.0.7
    canonical ubuntu linux 14.04
    canonical ubuntu linux 16.04
    libtiff libtiff 4.0.7