VDB-98535 · CVE-2017-7263 · BID 97112

potrace 1.14 BMP Image bitmap_io.c bm_readbody_bmp 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.
7.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in potrace 1.14 and classified as critical. This affects the function bm_readbody_bmp of the file bitmap_io.c of the component BMP Image Handler. Performing a manipulation results in out-of-bounds. This vulnerability is known as CVE-2017-7263. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in potrace 1.14. This affects the function bm_readbody_bmp of the file bitmap_io.c of the component BMP Image Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The bm_readbody_bmp function in bitmap_io.c in Potrace 1.14 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) or possibly have unspecified other impact via a crafted BMP image. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-8698.

The bug was discovered 03/26/2017. The weakness was published 03/26/2017 by Agostino Sarubbo with Gentoo (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is uniquely identified as CVE-2017-7263 since 03/26/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 276815 (Fedora Security Update for potrace (FEDORA-2017-d7739ff31b)).

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

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 97112†). Similar entries are available at VDB-96333, VDB-96335, VDB-96336 and VDB-96337. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for potrace FEDORA-2017-d7739ff31b
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/26/2017 🔍
03/26/2017 +0 days 🔍
03/26/2017 +0 days 🔍
03/26/2017 +0 days 🔍
03/26/2017 +0 days 🔍
03/26/2017 +0 days 🔍
09/14/2020 +1268 days 🔍

Sourcesinfo

Advisory: securityfocus.com
Researcher: Agostino Sarubbo
Organization: Gentoo
Status: Not defined

CVE: CVE-2017-7263 (🔍)
GCVE (CVE): GCVE-0-2017-7263
GCVE (VulDB): GCVE-100-98535
SecurityFocus: 97112 - Potrace CVE-2017-7263 Incomplete Fix Heap Buffer Overflow Vulnerability
OSVDB: - CVE-2017-7263 - Potrace - Buffer-Over-Read Issue

See also: 🔍

Entryinfo

Created: 03/26/2017 20:06
Updated: 09/14/2020 10:22
Changes: 03/26/2017 20:06 (66), 09/14/2020 10:22 (6)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to know what is going to be exploited?

We predict KEV entries!