potrace up to 1.12 BMP Image bitmap_io.c bm_readbody_bmp memory corruption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.2 | $0-$5k | 0.00 |
Summary
A vulnerability was found in potrace up to 1.12. It has been declared as critical. This affects the function bm_readbody_bmp of the file bitmap_io.c of the component BMP Image Handler. Executing a manipulation can lead to memory corruption.
This vulnerability is registered as CVE-2016-8699. It is possible to launch the attack remotely. No exploit is available.
It is recommended to upgrade the affected component.
Details
A vulnerability has been found in potrace up to 1.12 and classified as critical. This vulnerability 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 memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
Heap-based buffer overflow in the bm_readbody_bmp function in bitmap_io.c in potrace before 1.13 allows remote attackers to have unspecified impact via a crafted BMP image, a different vulnerability than CVE-2016-8698, CVE-2016-8700, CVE-2016-8701, CVE-2016-8702, and CVE-2016-8703.
The bug was discovered 08/18/2016. The weakness was published 01/31/2017 by Agostino Sarubbo with Gentoo (Website). The advisory is shared for download at potrace.sourceforge.net. This vulnerability was named CVE-2016-8699 since 10/15/2016. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.
The vulnerability was handled as a non-public zero-day exploit for at least 69 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 94293 (Debian DLA-675-1 : potrace 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276815 (Fedora Security Update for potrace (FEDORA-2017-d7739ff31b)).
Upgrading to version 1.13 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (94293) and SecurityFocus (BID 93778†). Similar entries are available at VDB-96333, VDB-96335, VDB-96336 and VDB-96337. Once again VulDB remains the best source for vulnerability data.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.4
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: 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-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 94293
Nessus Name: Debian DLA-675-1 : potrace security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 867773
OpenVAS Name: Fedora Update for potrace FEDORA-2017-d7739ff31b
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: potrace 1.13
Timeline
08/18/2016 🔍10/15/2016 🔍
10/15/2016 🔍
10/26/2016 🔍
10/27/2016 🔍
01/31/2017 🔍
01/31/2017 🔍
02/01/2017 🔍
08/08/2020 🔍
Sources
Advisory: potrace.sourceforge.netResearcher: Agostino Sarubbo
Organization: Gentoo
Status: Not defined
Confirmation: 🔍
CVE: CVE-2016-8699 (🔍)
GCVE (CVE): GCVE-0-2016-8699
GCVE (VulDB): GCVE-100-96340
SecurityFocus: 93778 - Potrace Multiple Security Vulnerabilities
OSVDB: - CVE-2016-8699 - potrace - Buffer Overflow Issue
See also: 🔍
Entry
Created: 02/01/2017 07:14Updated: 08/08/2020 14:20
Changes: 02/01/2017 07:14 (74), 08/08/2020 14:20 (9)
Complete: 🔍
Cache ID: 216:E78:103
Once again VulDB remains the best source for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.