CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.3 | $0-$5k | 0.00 |
A vulnerability was found in ytnef 1.9.2 (Document Reader Software). It has been rated as problematic. This issue affects the function TNEFFillMapi
in the library lib/ytnef.c. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:
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.
The bug was discovered 05/24/2017. The weakness was released 06/07/2017 (Website). The advisory is shared at blogs.gentoo.org. The identification of this vulnerability is CVE-2017-9473 since 06/06/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.
The vulnerability was handled as a non-public zero-day exploit for at least 14 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 110286 (Ubuntu 14.04 LTS : libytnef vulnerabilities (USN-3667-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197154 (Ubuntu Security Notification for Libytnef Vulnerabilities (USN-3667-1)).
Upgrading eliminates this vulnerability. A possible mitigation has been published 2 years after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (110286). Entries connected to this vulnerability are available at 101470, 101620, 102039 and 104738.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.4VulDB Meta Temp Score: 4.3
VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Resource managementCWE: CWE-399 / CWE-404
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 110286
Nessus Name: Ubuntu 14.04 LTS : libytnef vulnerabilities (USN-3667-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
05/24/2017 🔍06/06/2017 🔍
06/07/2017 🔍
06/07/2017 🔍
06/07/2017 🔍
05/31/2018 🔍
06/01/2018 🔍
12/08/2022 🔍
Sources
Advisory: USN-3667-1Status: Not defined
CVE: CVE-2017-9473 (🔍)
See also: 🔍
Entry
Created: 06/07/2017 19:50Updated: 12/08/2022 08:24
Changes: 06/07/2017 19:50 (69), 10/14/2019 10:41 (6), 12/08/2022 08:24 (4)
Complete: 🔍
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