Apache HTTP Server up to 2.4.24 mod_session_crypto Padding cryptographic issue

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in Apache HTTP Server up to 2.4.24. This issue affects some unknown processing of the component mod_session_crypto. The manipulation results in cryptographic issue (Padding). This vulnerability is identified as CVE-2016-0736. The attack can be executed remotely. Additionally, an exploit exists. Upgrading the affected component is advised.
Details
A vulnerability classified as critical has been found in Apache HTTP Server up to 2.4.24 (Web Server). Affected is an unknown function of the component mod_session_crypto. The manipulation with an unknown input leads to a cryptographic issue vulnerability (Padding). CWE is classifying the issue as CWE-310. This is going to have an impact on confidentiality, integrity, and availability.
The bug was discovered 12/20/2016. The weakness was released 12/20/2016 by Security Team with Qihoo 360 as Apache HTTP Server 2.4.25 Released as confirmed release notes (Website). The advisory is available at httpd.apache.org. This vulnerability is traded as CVE-2016-0736 since 12/16/2015. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1600 by the MITRE ATT&CK project.
The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 100098 (Ubuntu 14.04 LTS / 16.04 LTS / 16.10 : apache2 vulnerabilities (USN-3279-1)), 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 370348 (Apple Mac OS X Security Update Sierra 10.12.4, El Capitan 2017-001 and Yosemite 2017-001 Not Installed (APPLE-SA-2017-03-27-3)).
Upgrading to version 2.4.25 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 Exploit-DB (40961), Tenable (100098), SecurityFocus (BID 85919†) and SecurityTracker (ID 1037508†). Entries connected to this vulnerability are available at VDB-67180, VDB-67181, VDB-67182 and VDB-67183. If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
Version
- 2.4.0
- 2.4.1
- 2.4.2
- 2.4.3
- 2.4.4
- 2.4.5
- 2.4.6
- 2.4.7
- 2.4.8
- 2.4.9
- 2.4.10
- 2.4.11
- 2.4.12
- 2.4.13
- 2.4.14
- 2.4.15
- 2.4.16
- 2.4.17
- 2.4.18
- 2.4.19
- 2.4.20
- 2.4.21
- 2.4.22
- 2.4.23
- 2.4.24
License
Website
- Vendor: https://www.apache.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 6.3
VulDB Base Score: 5.6
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Name: PaddingClass: Cryptographic issue / Padding
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
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 |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 100098
Nessus Name: Ubuntu 14.04 LTS / 16.04 LTS / 16.10 : apache2 vulnerabilities (USN-3279-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-HT207615
OpenVAS File: 🔍
OpenVAS Family: 🔍
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: HTTP Server 2.4.25
Timeline
12/16/2015 🔍04/07/2016 🔍
12/20/2016 🔍
12/20/2016 🔍
12/20/2016 🔍
12/21/2016 🔍
12/22/2016 🔍
05/10/2017 🔍
07/27/2017 🔍
01/20/2025 🔍
Sources
Vendor: apache.orgAdvisory: Apache HTTP Server 2.4.25 Released
Researcher: Security Team
Organization: Qihoo 360
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2016-0736 (🔍)
GCVE (CVE): GCVE-0-2016-0736
GCVE (VulDB): GCVE-100-94626
OVAL: 🔍
SecurityFocus: 85919 - LibTIFF CVE-2016-3619 Out Of Bounds Read Denial of Service Vulnerability
SecurityTracker: 1037508
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 12/22/2016 10:29Updated: 01/20/2025 14:55
Changes: 12/22/2016 10:29 (71), 07/14/2019 17:36 (22), 10/12/2022 13:58 (3), 01/20/2025 14:55 (14)
Complete: 🔍
Cache ID: 216:617:103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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