cURL/libcURL up to 7.50.3 curl_getdate out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in cURL and libcURL up to 7.50.3 and classified as problematic. Affected is the function curl_getdate. The manipulation leads to out-of-bounds. This vulnerability is uniquely identified as CVE-2016-8621. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in cURL and libcURL up to 7.50.3 (Network Utility Software). It has been rated as critical. This issue affects the function curl_getdate. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The `curl_getdate` function in curl before version 7.51.0 is vulnerable to an out of bounds read if it receives an input with one digit short.

The weakness was disclosed 11/03/2016 as 7.50.3 vulnerabilities as confirmed advisory (Website). The advisory is shared at curl.haxx.se. The identification of this vulnerability is CVE-2016-8621 since 10/12/2016. The exploitation is known to be easy. An attack has to be approached locally. A simple authentication is necessary for exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 94572 (SUSE SLES11 Security Update : curl (SUSE-SU-2016:2714-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 157987 (Oracle Enterprise Linux Security Update for curl (ELSA-2019-4652)).

Upgrading to version 7.51.0 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 Tenable (94572), SecurityFocus (BID 94101†) and SecurityTracker (ID 1037192†). The entries VDB-90449, VDB-91385, VDB-91680 and VDB-91681 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 5.3
CNA Vector (Red Hat, Inc.): 🔍

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
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 94572
Nessus Name: SUSE SLES11 Security Update : curl (SUSE-SU-2016:2714-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 February-2017
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: cURL/libcURL 7.51.0

Timelineinfo

10/12/2016 🔍
11/02/2016 +21 days 🔍
11/03/2016 +1 days 🔍
11/03/2016 +0 days 🔍
11/03/2016 +0 days 🔍
11/04/2016 +1 days 🔍
11/04/2016 +0 days 🔍
07/31/2018 +634 days 🔍
09/29/2022 +1521 days 🔍

Sourcesinfo

Advisory: 7.50.3 vulnerabilities
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-8621 (🔍)
GCVE (CVE): GCVE-0-2016-8621
GCVE (VulDB): GCVE-100-93257

OVAL: 🔍

SecurityFocus: 94101 - cURL/libcURL CVE-2016-8621 Information Disclosure Vulnerability
SecurityTracker: 1037192

See also: 🔍

Entryinfo

Created: 11/04/2016 09:53
Updated: 09/29/2022 11:41
Changes: 11/04/2016 09:53 (59), 05/23/2019 18:26 (26), 09/29/2022 11:41 (14)
Complete: 🔍
Cache ID: 216:EAE:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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