PT-2017-18943 · Ytnef+1 · Ytnef+1

Agostino Sarubbo · Published 2017-06-07 · Updated 2019-05-18 · CVE-2017-9470

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions ytnef version 1.9.2

Description The issue allows remote attackers to cause a denial of service, resulting in a NULL pointer dereference and application crash, via a crafted file. This is due to a problem in the MAPIPrint function in lib/ytnef.c.

Recommendations For ytnef version 1.9.2, consider avoiding the use of the MAPIPrint function until a patch is available. As a temporary workaround, restrict the processing of crafted files to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALT-PU-2018-2051

CVE-2017-9470

Affected Products

Alt Linux

Ytnef

References · 26

• 🔥 https://blogs.gentoo.org/ago/2017/05/24/ytnef-null-pointer-dereference-in-mapiprint-ytnef-c · Exploit
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9473 · Security Note
• https://cve.org/CVERecord?id=CVE-2017-9470 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9146 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9470 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9472 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12141 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-9470 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-9470 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LFJWMUEUC4ILH2HEOCYVVLQT654ZMCGQ · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-9470 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-9470 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2017-9470 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9474 · Security Note
• https://ubuntu.com/security/CVE-2017-9470 · Vendor Advisory