cURL up to 7.59.0 FTP Connection memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in cURL up to 7.59.0. This affects an unknown function of the component FTP Connection Handler. The manipulation results in memory corruption. This vulnerability is known as CVE-2018-1000300. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in cURL up to 7.59.0 (Network Utility Software). Affected is an unknown part of the component FTP Connection Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

curl version curl 7.54.1 to and including curl 7.59.0 contains a CWE-122: Heap-based Buffer Overflow vulnerability in denial of service and more that can result in curl might overflow a heap based memory buffer when closing down an FTP connection with very long server command replies.. This vulnerability appears to have been fixed in curl < 7.54.1 and curl >= 7.60.0.

The bug was discovered 05/16/2018. The weakness was published 05/24/2018 (Website). The advisory is available at curl.haxx.se. This vulnerability is traded as CVE-2018-1000300 since 05/08/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 8 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 111333 (Oracle Secure Global Desktop Multiple Vulnerabilities (July 2018 CPU)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 351292 (Amazon Linux Security Advisory for curl: ALAS2-2018-1029).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (111333) and SecurityFocus (BID 104207†). Similar entries are available at VDB-79791, VDB-95830, VDB-97118 and VDB-99028. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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: 111333
Nessus Name: Oracle Secure Global Desktop Multiple Vulnerabilities (July 2018 CPU)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 12113
OpenVAS Name: Fedora Update for curl FEDORA-2018-9dc7338487
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

05/08/2018 🔍
05/16/2018 +8 days 🔍
05/16/2018 +0 days 🔍
05/24/2018 +8 days 🔍
05/24/2018 +0 days 🔍
05/25/2018 +1 days 🔍
07/17/2018 +53 days 🔍
07/25/2018 +8 days 🔍
03/17/2023 +1696 days 🔍

Sourcesinfo

Advisory: USN-3648-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-1000300 (🔍)
GCVE (CVE): GCVE-0-2018-1000300
GCVE (VulDB): GCVE-100-118170
SecurityFocus: 104207 - cURL CVE-2018-1000300 Heap Buffer Overflow Vulnerability
SecurityTracker: 1040933

See also: 🔍

Entryinfo

Created: 05/25/2018 08:40
Updated: 03/17/2023 08:24
Changes: 05/25/2018 08:40 (64), 02/08/2020 15:36 (16), 03/17/2023 08:24 (5)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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