Apache HTTP Server 1.3.1 MIME Header Sioux denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.4$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Apache HTTP Server 1.3.1 (Web Server). Affected by this issue is an unknown functionality of the component MIME Header Handler. The manipulation with an unknown input leads to a denial of service vulnerability (Sioux). Using CWE to declare the problem leads to CWE-404. The program does not release or incorrectly releases a resource before it is made available for re-use. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Apache WWW server 1.3.1 and earlier allows remote attackers to cause a denial of service (resource exhaustion) via a large number of MIME headers with the same name, aka the "sioux" vulnerability.

The weakness was shared 08/07/1998 as confirmed posting (Bugtraq). The advisory is shared for download at marc.theaimsgroup.com. This vulnerability is handled as CVE-1999-1199. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/16/2019). The MITRE ATT&CK project declares the attack technique as T1499. This vulnerability has a historic impact due to its background and reception.

It is declared as highly functional. As 0-day the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (8326) and Vulnerability Center (SBV-3292).

Productinfo

Type

Vendor

Name

License

  • open-source

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: Sioux
Class: Denial of service / Sioux
CWE: CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/07/1998 🔍
08/07/1998 +0 days 🔍
08/07/1998 +0 days 🔍
12/28/2003 +1969 days 🔍
06/19/2014 +3826 days 🔍
04/16/2019 +1762 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: marc.theaimsgroup.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-1999-1199 (🔍)
X-Force: 8326
Vulnerability Center: 3292 - Apache WWW server <= 1.3.1 DoS, High

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/19/2014 05:11 PM
Updated: 04/16/2019 03:11 PM
Changes: 06/19/2014 05:11 PM (45), 04/16/2019 03:11 PM (16)
Complete: 🔍

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