CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.3 | $0-$5k | 0.00 |
A vulnerability was found in libmspack up to 0.6 and classified as problematic. Affected by this issue is some unknown functionality of the file mspack/chmd.c. The manipulation with an unknown input leads to a calculation vulnerability. Using CWE to declare the problem leads to CWE-682. The product performs a calculation that generates incorrect or unintended results that are later used in security-critical decisions or resource management. Impacted is availability. CVE summarizes:
An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. There is an off-by-one error in the CHM PMGI/PMGL chunk number validity checks, which could lead to denial of service (uninitialized data dereference and application crash).
The bug was discovered 05/12/2018. The weakness was released 07/28/2018 (Website). The advisory is available at openwall.com. This vulnerability is handled as CVE-2018-14679 since 07/28/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.
The vulnerability was handled as a non-public zero-day exploit for at least 77 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 111521 (Debian DSA-4260-1 : libmspack - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 237027 (Red Hat Update for libmspack (RHSA-2018:3327)).
Upgrading to version 0.7alpha eliminates this vulnerability. A possible mitigation has been published 6 days after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (111521). Entries connected to this vulnerability are available at 122307, 122308 and 122309.
Product
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: 5.4VulDB Meta Temp Score: 5.3
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
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: CalculationCWE: CWE-682
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 111521
Nessus Name: Debian DSA-4260-1 : libmspack - security update
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: 🔍
Upgrade: libmspack 0.7alpha
Patch: github.com
Timeline
05/12/2018 🔍07/28/2018 🔍
07/28/2018 🔍
07/28/2018 🔍
07/29/2018 🔍
08/02/2018 🔍
08/03/2018 🔍
04/27/2023 🔍
Sources
Advisory: RHSA-2018:3327Status: Confirmed
CVE: CVE-2018-14679 (🔍)
OVAL: 🔍
SecurityTracker: 1041410
See also: 🔍
Entry
Created: 07/29/2018 12:19Updated: 04/27/2023 15:41
Changes: 07/29/2018 12:19 (73), 03/11/2020 08:36 (2), 04/27/2023 15:41 (6)
Complete: 🔍
No comments yet. Languages: en.
Please log in to comment.