Apache Traffic Server 3.0.3/3.1.2 HTTP Header Parser $_SERVER['HOST'] memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Apache Traffic Server 3.0.3/3.1.2. Impacted is an unknown function of the component HTTP Header Parser. The manipulation of the argument $_SERVER['HOST'] leads to memory corruption. This vulnerability is referenced as CVE-2012-0256. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apache Traffic Server 3.0.3/3.1.2 and classified as very critical. This issue affects some unknown processing of the component HTTP Header Parser. The manipulation of the argument $_SERVER['HOST'] with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Apache Traffic Server 2.0.x and 3.0.x before 3.0.4 and 3.1.x before 3.1.3 does not properly allocate heap memory, which allows remote attackers to cause a denial of service (daemon crash) via a long HTTP Host header.

The weakness was published 03/22/2012 by Leif Hedstrom (Codenomicon) with Codenomicon CROSS Project as confirmed mailinglist post (Website) via CERT-FI. It is possible to read the advisory at mail-archives.apache.org. The identification of this vulnerability is CVE-2012-0256 since 12/21/2011. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/22/2021).

The vulnerability scanner Nessus provides a plugin with the ID 58593 (Apache Traffic Server 3.0.x < 3.0.4 / 3.1.x < 3.1.3 Host HTTP Header Parsing Remote Overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Web Servers and running in the context l.

Upgrading to version 3.0.4 or 3.1.3 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 X-Force (74313), Tenable (58593), SecurityFocus (BID 52696†), OSVDB (80571†) and Secunia (SA48509†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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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Nessus ID: 58593
Nessus Name: Apache Traffic Server 3.0.x < 3.0.4 / 3.1.x < 3.1.3 Host HTTP Header Parsing Remote Overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 71291
OpenVAS Name: FreeBSD Ports: trafficserver
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Traffic Server 3.0.4/3.1.3

Timelineinfo

12/21/2011 🔍
03/22/2012 +92 days 🔍
03/22/2012 +0 days 🔍
03/23/2012 +1 days 🔍
03/23/2012 +0 days 🔍
03/26/2012 +3 days 🔍
03/26/2012 +0 days 🔍
03/27/2012 +1 days 🔍
04/02/2012 +6 days 🔍
04/04/2012 +2 days 🔍
04/09/2012 +5 days 🔍
03/22/2021 +3269 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: mail-archives.apache.org
Researcher: Leif Hedstrom (Codenomicon)
Organization: Codenomicon CROSS Project
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-0256 (🔍)
GCVE (CVE): GCVE-0-2012-0256
GCVE (VulDB): GCVE-100-4955
X-Force: 74313
SecurityFocus: 52696 - Apache Traffic Server HTTP Host Header Handling Heap Based Buffer Overflow Vulnerability
Secunia: 48509 - Apache Traffic Server Host Header Buffer Overflow Vulnerability, Highly Critical
OSVDB: 80571
SecurityTracker: 1026847 - Apache Traffic Server Host Header Processing Flaw Lets Remote Users Deny Service
Vulnerability Center: 34827 - Apache Traffic Server 2.0-3.0.3 and 3.1-3.1.2 Remote DoS Vulnerability via a Long HTTP Host Header, High

Entryinfo

Created: 04/02/2012 15:05
Updated: 03/22/2021 11:02
Changes: 04/02/2012 15:05 (72), 04/11/2017 10:35 (15), 03/22/2021 11:02 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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