Vulnerability Name:

CVE-2009-3721 (CCN-202670)

Assigned:2009-09-07
Published:2009-09-07
Updated:2021-06-04
Summary:Multiple directory traversal and buffer overflow vulnerabilities were discovered in yTNEF, and in Evolution's TNEF parser that is derived from yTNEF. A crafted email could cause these applications to write data in arbitrary locations on the filesystem, crash, or potentially execute arbitrary code when decoding attachments.
CVSS v3 Severity:7.8 High (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 (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
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
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:L/A:N/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): Low
Availibility (A): None
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-22
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2009-3721

Source: MISC
Type: Third Party Advisory
http://www.ocert.org/advisories/ocert-2009-013.html

Source: CCN
Type: Red Hat Bugzilla – Bug 521662
(CVE-2009-3721, CVE-2009-3887) - CVE-2009-3721 CVE-2009-3887 ytnef, evolution: TNEF attachment decoder input sanitization errors (oCERT-2009-013)

Source: MISC
Type: Issue Tracking, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=521662

Source: XF
Type: UNKNOWN
ytnef-cve20093721-dir-traversal(202670)

Source: CCN
Type: ytnef GIT Repository
GitHub - Yeraze/ytnef: Yeraze's TNEF Stream Reader - for winmail.dat files

Vulnerable Configuration:Configuration 1:
  • cpe:/a:gnome:evolution:*:*:*:*:*:*:*:*
  • OR cpe:/a:ytnef_project:ytnef:*:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    gnome evolution *
    ytnef_project ytnef *