PT-2017-17332 · Libytnef+2 · Ytnef+2

Hannob · Published 2017-03-08 · Updated 2020-11-03 · CVE-2017-6800

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions ytnef versions prior to 1.9.2

Description An issue has been discovered related to the handling of LONG data types, which can cause an invalid memory access, specifically a heap-based buffer over-read. This issue is associated with the MAPIPrint() function in libytnef.

Recommendations For versions prior to 1.9.2, update to version 1.9.2 or later to resolve the issue. As a temporary workaround, consider restricting the use of the MAPIPrint() function in libytnef until a patch is available.

Exploit

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

ALT-PU-2017-1258

CVE-2017-6800

DSA-3846-1

MGASA-2017-0174

USN-3288-1

USN-4615-1

Affected Products

Alt Linux

Ubuntu

Ytnef

References · 33

• 🔥 https://github.com/Yeraze/ytnef/issues/28 · Exploit
• https://github.com/Yeraze/ytnef/commit/f98f5d4adc1c4bd4033638f6167c1bb95d642f89 · Patch
• https://osv.dev/vulnerability/USN-3288-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-6305 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-6801 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-6299 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-6301 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-6302 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2017-0174 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-6800 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2017-0174.html · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2017-6800 · Security Note
• https://ubuntu.com/security/notices/USN-4615-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2017-6800 · Security Note
• https://ubuntu.com/security/CVE-2017-6300 · Vendor Advisory