GNU Libextractor 1.4 plugins/png_extractor.c EXTRACTOR_png_extract_method memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in GNU Libextractor 1.4. It has been declared as critical. This issue affects the function EXTRACTOR_png_extract_method of the file plugins/png_extractor.c. Such manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2017-15601. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in GNU Libextractor 1.4. Affected by this issue is the function EXTRACTOR_png_extract_method of the file plugins/png_extractor.c. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In GNU Libextractor 1.4, there is a heap-based buffer overflow in the EXTRACTOR_png_extract_method function in plugins/png_extractor.c, related to processiTXt and stndup.

The bug was discovered 10/13/2017. The weakness was disclosed 10/18/2017 (Website). The advisory is available at lists.gnu.org. This vulnerability is handled as CVE-2017-15601 since 10/18/2017. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 105009 (Debian DLA-1198-1 : libextractor security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

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 vulnerability database at Tenable (105009). The entries VDB-107800, VDB-107801, VDB-108001 and VDB-108003 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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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: 105009
Nessus Name: Debian DLA-1198-1 : libextractor security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

10/13/2017 🔍
10/18/2017 +5 days 🔍
10/18/2017 +0 days 🔍
10/18/2017 +0 days 🔍
10/19/2017 +1 days 🔍
12/04/2017 +46 days 🔍
12/05/2017 +1 days 🔍
01/04/2023 +1856 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: DLA 1198-1
Status: Not defined

CVE: CVE-2017-15601 (🔍)
GCVE (CVE): GCVE-0-2017-15601
GCVE (VulDB): GCVE-100-108002
See also: 🔍

Entryinfo

Created: 10/19/2017 09:22
Updated: 01/04/2023 08:13
Changes: 10/19/2017 09:22 (67), 11/26/2019 08:33 (3), 01/04/2023 08:13 (4)
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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