Apache HTTP Server 2.4.24 mod_remoteip/mod_rewrite IP address data authenticity

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical has been found in Apache HTTP Server 2.4.24. The impacted element is an unknown function of the component mod_remoteip/mod_rewrite. Performing a manipulation results in data authenticity (IP address). This vulnerability is known as CVE-2020-11985. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apache HTTP Server 2.4.24 (Web Server). This affects some unknown processing of the component mod_remoteip/mod_rewrite. The manipulation with an unknown input leads to a data authenticity vulnerability (IP Address). CWE is classifying the issue as CWE-345. The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

IP address spoofing when proxying using mod_remoteip and mod_rewrite For configurations using proxying with mod_remoteip and certain mod_rewrite rules, an attacker could spoof their IP address for logging and PHP scripts. Note this issue was fixed in Apache HTTP Server 2.4.24 but was retrospectively allocated a low severity CVE in 2020.

The weakness was published 08/07/2020 (Website). It is possible to read the advisory at security.gentoo.org. This vulnerability is uniquely identified as CVE-2020-11985 since 04/21/2020. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 08/08/2020).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entries are available at VDB-159374, VDB-159376 and VDB-159399. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: IP Address
Class: Data authenticity / IP Address
CWE: CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/21/2020 🔍
08/07/2020 +108 days 🔍
08/08/2020 +1 days 🔍
11/07/2020 +91 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: security.gentoo.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-11985 (🔍)
GCVE (CVE): GCVE-0-2020-11985
GCVE (VulDB): GCVE-100-159375
See also: 🔍

Entryinfo

Created: 08/08/2020 09:54
Updated: 11/07/2020 12:36
Changes: 08/08/2020 09:54 (40), 08/08/2020 09:59 (18), 11/07/2020 12:36 (1)
Complete: 🔍
Cache ID: 216::103

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