CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.0 | $0-$5k | 0.00 |
A vulnerability, which was classified as problematic, was found in ntpd 4.2.8 (Network Management Software). Affected is the function CRYPTO_ASSOC
. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on confidentiality. CVE summarizes:
Memory leak in the CRYPTO_ASSOC function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (memory consumption).
The weakness was disclosed 10/21/2015 as cisco-sa-20151021-ntp as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2015-7701 since 10/04/2015. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 88055 (AIX 6.1 TL 9 : ntp (IV79942) (deprecated)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family AIX Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38684 (Network Time Protocol Multiple Security Vulnerabilities (ntp-4.2.8p4)).
Upgrading to version 4.2.8p4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (107444) and Tenable (88055).
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: 6.4VulDB Meta Temp Score: 6.0
VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
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: Resource managementCWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 88055
Nessus Name: AIX 6.1 TL 9 : ntp (IV79942) (deprecated)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: alas-2015-607
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: ntpd 4.2.8p4
Timeline
10/04/2015 🔍10/21/2015 🔍
10/21/2015 🔍
10/21/2015 🔍
10/23/2015 🔍
10/23/2015 🔍
08/07/2017 🔍
06/25/2022 🔍
Sources
Advisory: cisco-sa-20151021-ntpStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2015-7701 (🔍)
OVAL: 🔍
X-Force: 107444 - Network Time Protocol CRYPTO_ASSOC information disclosure
SecurityTracker: 1033951
Vulnerability Center: 53938 - NTP before 4.2.8p4 Remote Information Disclosure and DoS due to Memory Leak in CRYPTO_ASSOC - CVE-2015-7701, Medium
SecurityFocus: 77281
Entry
Created: 10/23/2015 10:05Updated: 06/25/2022 00:20
Changes: 10/23/2015 10:05 (84), 02/19/2018 09:40 (1), 06/25/2022 00:10 (4), 06/25/2022 00:20 (1)
Complete: 🔍
Cache ID: 13:430:103
No comments yet. Languages: en.
Please log in to comment.