Cherokee up to 1.2.104 handler_cgi.c cherokee_handler_cgi_add_env_pair Host out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Cherokee up to 1.2.104 and classified as critical. Affected by this issue is the function cherokee_handler_cgi_add_env_pair of the file handler_cgi.c. The manipulation of the argument Host as part of Request Header results in out-of-bounds write. This vulnerability is identified as CVE-2019-20800. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Cherokee up to 1.2.104. Affected is the function cherokee_handler_cgi_add_env_pair of the file handler_cgi.c. The manipulation of the argument Host as part of a Request Header leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In Cherokee through 1.2.104, remote attackers can trigger an out-of-bounds write in cherokee_handler_cgi_add_env_pair in handler_cgi.c by sending many request headers, as demonstrated by a GET request with many "Host: 127.0.0.1" headers.

The weakness was released 05/18/2020. This vulnerability is traded as CVE-2019-20800 since 05/17/2020. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

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

Entries connected to this vulnerability are available at VDB-155375 and VDB-155374. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

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

NVD Base Score: 9.8
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

Class: Out-of-bounds write
CWE: CWE-787 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/17/2020 🔍
05/18/2020 +1 days 🔍
05/18/2020 +0 days 🔍
05/18/2020 +0 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2019-20800 (🔍)
GCVE (CVE): GCVE-0-2019-20800
GCVE (VulDB): GCVE-100-155376
See also: 🔍

Entryinfo

Created: 05/18/2020 09:10
Updated: 05/18/2020 09:15
Changes: 05/18/2020 09:10 (38), 05/18/2020 09:15 (17)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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