Oracle Application Session Controller 3.7.1/3.8.0 cURL out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Oracle Application Session Controller 3.7.1/3.8.0. This affects an unknown part of the component cURL. This manipulation causes out-of-bounds write. This vulnerability is tracked as CVE-2018-1000120. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Oracle Application Session Controller 3.7.1/3.8.0. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component cURL. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A buffer overflow exists in curl 7.12.3 to and including curl 7.58.0 in the FTP URL handling that allows an attacker to cause a denial of service or worse.

The bug was discovered 03/14/2018. The weakness was disclosed 07/16/2019 as Oracle Critical Patch Update Advisory - Juli 2019 as confirmed advisory (Website). It is possible to read the advisory at oracle.com. This vulnerability is known as CVE-2018-1000120 since 03/08/2018. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 109508 (EulerOS 2.0 SP2 : curl (EulerOS-SA-2018-1110)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Huawei Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 157841 (Oracle Enterprise Linux Security Update for curl and nss-pem (ELSA-2018-3157)).

Upgrading 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 (109508) and SecurityFocus (BID 103414†). The entries VDB-79791, VDB-95830, VDB-97118 and VDB-99028 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.2

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

Vendor Base Score (Oracle): 7.5
Vendor Vector (Oracle): 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

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: 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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Nessus ID: 109508
Nessus Name: EulerOS 2.0 SP2 : curl (EulerOS-SA-2018-1110)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 855603
OpenVAS Name: Fedora Update for curl FEDORA-2018-8877b4ccac
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: 🔍

Timelineinfo

03/08/2018 🔍
03/14/2018 +6 days 🔍
03/14/2018 +0 days 🔍
03/14/2018 +0 days 🔍
05/02/2018 +49 days 🔍
07/16/2019 +440 days 🔍
07/16/2019 +0 days 🔍
07/17/2019 +1 days 🔍
08/16/2024 +1857 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - Juli 2019
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-1000120 (🔍)
GCVE (CVE): GCVE-0-2018-1000120
GCVE (VulDB): GCVE-100-137887

OVAL: 🔍

SecurityFocus: 103414 - cURL/libcURL CVE-2018-1000120 Buffer Overflow Vulnerability
SecurityTracker: 1040531

See also: 🔍

Entryinfo

Created: 07/17/2019 10:46
Updated: 08/16/2024 04:35
Changes: 07/17/2019 10:46 (71), 07/05/2020 09:41 (17), 10/26/2023 15:57 (4), 08/16/2024 04:35 (16)
Complete: 🔍
Cache ID: 216:EAE:103

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