HAProxy up to 1.9.6 HMAC Key include/types/ssl_sock.h cryptographic issues
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.6 | $0-$5k | 0.00 |
A vulnerability was found in HAProxy up to 1.9.6 (Firewall Software) and classified as critical. Affected by this issue is some unknown functionality of the file include/types/ssl_sock.h of the component HMAC Key Handler. The manipulation with an unknown input leads to a cryptographic issues vulnerability. Using CWE to declare the problem leads to CWE-310. Impacted is confidentiality, integrity, and availability. CVE summarizes:
HAProxy before 1.9.7 mishandles a reload with rotated keys, which triggers use of uninitialized, and very predictable, HMAC keys. This is related to an include/types/ssl_sock.h error.
The bug was discovered 04/15/2019. The weakness was presented 05/09/2019 (Website). The advisory is shared for download at mail-archive.com. This vulnerability is handled as CVE-2019-11323 since 04/18/2019. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1600.
The vulnerability was handled as a non-public zero-day exploit for at least 24 days. During that time the estimated underground price was around $0-$5k.
Upgrading to version 1.9.7 eliminates this vulnerability.
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: 5.7VulDB Meta Temp Score: 5.6
VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.9
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: Cryptographic issuesCWE: CWE-310
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 |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: HAProxy 1.9.7
Patch: 8ef706502aa2000531d36e4ac56dbdc7c30f718d
Timeline
04/15/2019 🔍04/18/2019 🔍
05/09/2019 🔍
05/10/2019 🔍
09/15/2023 🔍
Sources
Advisory: mail-archive.comStatus: Not defined
Confirmation: 🔍
CVE: CVE-2019-11323 (🔍)
Entry
Created: 05/10/2019 06:37 AMUpdated: 09/15/2023 10:17 AM
Changes: 05/10/2019 06:37 AM (59), 06/08/2020 02:50 PM (2), 09/15/2023 10:17 AM (5)
Complete: 🔍
Cache ID: 44:CFC:40
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