NTPsec up to 1.1.2 ntpd ntp_config.c Request out-of-bounds write
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.8 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, was found in NTPsec up to 1.1.2. Affected is an unknown code block of the file ntp_config.c of the component ntpd. The manipulation as part of a Request leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
An issue was discovered in NTPsec before 1.1.3. An authenticated attacker can write one byte out of bounds in ntpd via a malformed config request, related to config_remotely in ntp_config.c, yyparse in ntp_parser.tab.c, and yyerror in ntp_parser.y.
The bug was discovered 01/16/2019. The weakness was disclosed 01/16/2019 (Website). The advisory is shared for download at dumpco.re. This vulnerability is traded as CVE-2019-6442 since 01/15/2019. The exploitability is told to be easy. It is possible to launch the attack remotely. The requirement for exploitation is a authentication. Technical details and a public exploit are known.
The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 121340 (openSUSE Security Update : ntpsec (openSUSE-2019-82)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371590 (NTPsec Multiple Vulnerabilities).
Upgrading to version 1.1.3 eliminates this vulnerability. A possible mitigation has been published 1 weeks after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (121340) and Exploit-DB (46178). The entries 129793, 129794 and 129795 are pretty similar.
Product
Name
Version
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: 6.1
VulDB Base Score: 6.3
VulDB Temp Score: 5.7
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: Out-of-bounds writeCWE: CWE-787 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 121340
Nessus Name: openSUSE Security Update : ntpsec (openSUSE-2019-82)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: NTPsec 1.1.3
Timeline
01/15/2019 🔍01/16/2019 🔍
01/16/2019 🔍
01/16/2019 🔍
01/16/2019 🔍
01/23/2019 🔍
01/24/2019 🔍
05/01/2020 🔍
Sources
Advisory: dumpco.reStatus: Confirmed
CVE: CVE-2019-6442 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 01/16/2019 13:34Updated: 05/01/2020 18:49
Changes: 01/16/2019 13:34 (74), 05/01/2020 18:49 (5)
Complete: 🔍
No comments yet. Languages: en.
Please log in to comment.