VDB-227173 · CVE-2015-7507 · GCVE-0-2015-7507

Libnsbmp 0.1.2 Color Table libnsbmp.c bmp_decode_rgb/bmp_decode_rle out-of-bounds

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.1	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Libnsbmp 0.1.2. Affected by this issue is the function bmp_decode_rgb/bmp_decode_rle of the file libnsbmp.c of the component Color Table Handler. This manipulation causes out-of-bounds. This vulnerability appears as CVE-2015-7507. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability has been found in Libnsbmp 0.1.2 and classified as problematic. Affected by this vulnerability is the function bmp_decode_rgb/bmp_decode_rle of the file libnsbmp.c of the component Color Table Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. The summary by CVE is:

libnsbmp.c in Libnsbmp 0.1.2 allows context-dependent attackers to cause a denial of service (out-of-bounds read) via a crafted color table to the (1) bmp_decode_rgb or (2) bmp_decode_rle function.

The weakness was presented 04/22/2023. The advisory is shared at seclists.org. This vulnerability is known as CVE-2015-7507 since 09/29/2015. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

It is possible to download the exploit at seclists.org. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Name

Libnsbmp

Version

0.1.2

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/29/2015 🔍
04/22/2023 +2762 days 🔍
04/22/2023 +0 days 🔍
04/22/2023 +0 days 🔍

Sourcesinfo

Advisory: seclists.org
Status: Not defined

CVE: CVE-2015-7507 (🔍)
GCVE (CVE): GCVE-0-2015-7507
GCVE (VulDB): GCVE-100-227173
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/22/2023 09:03
Changes: 04/22/2023 09:03 (58)
Complete: 🔍
Cache ID: 216::103