Vulnerability Name:

CVE-2017-6801 (CCN-123096)

Assigned:2017-03-10
Published:2017-03-10
Updated:2019-05-18
Summary:An issue was discovered in ytnef before 1.9.2. There is a potential out-of-bounds access with fields of Size 0 in TNEFParse() in libytnef.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
5.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:5.0 Medium (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
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:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-125
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2017-6801

Source: DEBIAN
Type: Third Party Advisory
DSA-3846

Source: XF
Type: UNKNOWN
ytnef-cve20176801-bo(123096)

Source: CCN
Type: ytnef GIT Repository
BugFix - Potential OOB with Fields of Size 0

Source: CONFIRM
Type: Patch
https://github.com/Yeraze/ytnef/commit/3cb0f914d6427073f262e1b2b5fd973e3043cdf7

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

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ytnef_project:ytnef:*:*:*:*:*:*:*:* (Version <= 1.9.1)

    • Configuration 2:
  • cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.bionic:def:201768010000000
    V
    		CVE-2017-6801 on Ubuntu 18.04 LTS (bionic) - medium.
    2017-03-10
    oval:com.ubuntu.artful:def:20176801000
    V
    		CVE-2017-6801 on Ubuntu 17.10 (artful) - medium.
    2017-03-10
    oval:com.ubuntu.trusty:def:20176801000
    V
    		CVE-2017-6801 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-03-10
    oval:com.ubuntu.xenial:def:201768010000000
    V
    		CVE-2017-6801 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-03-10
    oval:com.ubuntu.bionic:def:20176801000
    V
    		CVE-2017-6801 on Ubuntu 18.04 LTS (bionic) - medium.
    2017-03-10
    oval:com.ubuntu.xenial:def:20176801000
    V
    		CVE-2017-6801 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-03-10
    oval:com.ubuntu.disco:def:201768010000000
    V
    		CVE-2017-6801 on Ubuntu 19.04 (disco) - medium.
    2017-03-10
    oval:com.ubuntu.cosmic:def:20176801000
    V
    		CVE-2017-6801 on Ubuntu 18.10 (cosmic) - medium.
    2017-03-10
    oval:com.ubuntu.cosmic:def:201768010000000
    V
    		CVE-2017-6801 on Ubuntu 18.10 (cosmic) - medium.
    2017-03-10
    oval:com.ubuntu.precise:def:20176801000
    V
    		CVE-2017-6801 on Ubuntu 12.04 LTS (precise) - medium.
    2017-03-10
    BACK
    ytnef_project ytnef *
    debian debian linux 8.0
    debian debian linux 9.0