Vulnerability Name:

CVE-2017-9473 (CCN-127015)

Assigned:2017-05-24
Published:2017-05-24
Updated:2019-10-03
Summary:In ytnef 1.9.2, the TNEFFillMapi function in lib/ytnef.c allows remote attackers to cause a denial of service (memory consumption) via a crafted file.
CVSS v3 Severity:5.5 Medium (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 (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
3.3 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
2.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/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): 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
1.7 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2017-9473

Source: CCN
Type: agostino's blog, May 24, 2017
ytnef: memory allocation failure in TNEFFillMapi (ytnef.c)

Source: MISC
Type: Exploit, Third Party Advisory
https://blogs.gentoo.org/ago/2017/05/24/ytnef-memory-allocation-failure-in-tneffillmapi-ytnef-c/

Source: XF
Type: UNKNOWN
ytnef-cve20179473-dos(127015)

Source: CCN
Type: ytnef GIT Repository
ytnef

Source: FEDORA
Type: UNKNOWN
FEDORA-2019-7d7083b8be

Source: UBUNTU
Type: Third Party Advisory
USN-3667-1

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ytnef_project:ytnef:1.9.2:*:*:*:*:*:*:*

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

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.xenial:def:201794730000000
    V
    		CVE-2017-9473 on Ubuntu 16.04 LTS (xenial) - low.
    2017-06-07
    oval:com.ubuntu.artful:def:20179473000
    V
    		CVE-2017-9473 on Ubuntu 17.10 (artful) - low.
    2017-06-07
    oval:com.ubuntu.xenial:def:20179473000
    V
    		CVE-2017-9473 on Ubuntu 16.04 LTS (xenial) - low.
    2017-06-07
    oval:com.ubuntu.disco:def:201794730000000
    V
    		CVE-2017-9473 on Ubuntu 19.04 (disco) - low.
    2017-06-07
    oval:com.ubuntu.bionic:def:20179473000
    V
    		CVE-2017-9473 on Ubuntu 18.04 LTS (bionic) - low.
    2017-06-07
    oval:com.ubuntu.cosmic:def:201794730000000
    V
    		CVE-2017-9473 on Ubuntu 18.10 (cosmic) - low.
    2017-06-07
    oval:com.ubuntu.cosmic:def:20179473000
    V
    		CVE-2017-9473 on Ubuntu 18.10 (cosmic) - low.
    2017-06-07
    oval:com.ubuntu.bionic:def:201794730000000
    V
    		CVE-2017-9473 on Ubuntu 18.04 LTS (bionic) - low.
    2017-06-07
    oval:com.ubuntu.trusty:def:20179473000
    V
    		CVE-2017-9473 on Ubuntu 14.04 LTS (trusty) - low.
    2017-06-07
    BACK
    ytnef_project ytnef 1.9.2
    canonical ubuntu linux 14.04