GNU wget up to 1.19.1 HTTP Chunk Size src/retr.c fd_read_body memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability has been found in GNU wget up to 1.19.1 and classified as critical. Affected is the function fd_read_body of the file src/retr.c of the component HTTP Chunk Size Handler. Performing a manipulation results in memory corruption. This vulnerability is reported as CVE-2017-13090. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in GNU wget up to 1.19.1 (Automation Software). This affects the function fd_read_body of the file src/retr.c of the component HTTP Chunk Size 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.

The bug was discovered 08/22/2017. The weakness was disclosed 10/26/2017 by Antti Levomaki, Christian Jalio, Joonas Pihlaja and Juhani Eronen (Website). The advisory is shared at gnu.org. This vulnerability is uniquely identified as CVE-2017-13090 since 08/22/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 65 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 104182 (Amazon Linux AMI : wget (ALAS-2017-916)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 157836 (Oracle Enterprise Linux Security Update for wget (ELSA-2018-3052)).

Upgrading to version 1.19.2 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 (104182), SecurityFocus (BID 101590†) and SecurityTracker (ID 1039661†). The entries VDB-108656 and VDB-117389 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector (CERT/CC): 🔍

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: 104182
Nessus Name: Amazon Linux AMI : wget (ALAS-2017-916)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53379
OpenVAS Name: Debian Security Advisory DSA 4008-1 (wget - security update)
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: wget 1.19.2
Patch: git.savannah.gnu.org

Timelineinfo

08/22/2017 🔍
08/22/2017 +0 days 🔍
10/26/2017 +65 days 🔍
10/26/2017 +0 days 🔍
10/26/2017 +0 days 🔍
10/26/2017 +0 days 🔍
10/27/2017 +1 days 🔍
10/27/2017 +0 days 🔍
04/01/2019 +521 days 🔍
01/04/2023 +1374 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: RHSA-2017:3075
Researcher: Antti Levomaki, Christian Jalio, Joonas Pihlaja, Juhani Eronen
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-13090 (🔍)
GCVE (CVE): GCVE-0-2017-13090
GCVE (VulDB): GCVE-100-108657

OVAL: 🔍

SecurityFocus: 101590 - GNU wget CVE-2017-13090 Heap Buffer Overflow Vulnerability
SecurityTracker: 1039661

See also: 🔍

Entryinfo

Created: 04/01/2019 09:17
Updated: 01/04/2023 15:13
Changes: 04/01/2019 09:17 (82), 05/23/2020 10:50 (5), 01/20/2021 19:55 (2), 01/20/2021 19:58 (1), 01/04/2023 15:07 (4), 01/04/2023 15:13 (11)
Complete: 🔍
Cache ID: 216::103

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

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