NASM 0.98.38 preproc.c error memory corruption

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.
9.0$0-$5k0.00

A vulnerability, which was classified as critical, was found in NASM 0.98.38 (Programming Tool Software). Affected is the function error of the file preproc.c. 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. CVE summarizes:

Buffer overflow in the error function in preproc.c for NASM 0.98.38 1.2 allows attackers to execute arbitrary code via a crafted asm file, a different vulnerability than CVE-2005-1194.

The bug was discovered 12/15/2004. The weakness was presented 01/10/2005 by Jonathan Rockway (Website). The advisory is shared for download at xforce.iss.net. This vulnerability is traded as CVE-2004-1287 since 12/20/2004. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.

The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 22 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 16117 (Mandrake Linux Security Advisory : nasm (MDKSA-2005:004)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117925 (CentOS Security Update for NASM (CESA-2005:381)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (18540) and Tenable (16117). See 1482 for similar entry.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 16117
Nessus Name: Mandrake Linux Security Advisory : nasm (MDKSA-2005:004)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 53461
OpenVAS Name: Debian Security Advisory DSA 623-1 (nasm)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/15/2004 🔍
12/15/2004 +0 days 🔍
12/15/2004 +0 days 🔍
12/20/2004 +5 days 🔍
01/06/2005 +17 days 🔍
01/07/2005 +1 days 🔍
01/10/2005 +3 days 🔍
01/10/2005 +0 days 🔍
03/07/2005 +56 days 🔍
03/10/2015 +3655 days 🔍
05/30/2019 +1542 days 🔍

Sourcesinfo

Advisory: xforce.iss.net
Researcher: Jonathan Rockway
Status: Not defined

CVE: CVE-2004-1287 (🔍)
OVAL: 🔍

X-Force: 18540
Vulnerability Center: 7217 - Buffer Overflow in NASM <= 0.98.38 via preproc.c Function, High
SecurityFocus: 11991 - NASM Error Preprocessor Directive Buffer Overflow Vulnerability
OSVDB: 12446 - NASM preproc.c buffer overflow

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/10/2015 15:27
Updated: 05/30/2019 14:26
Changes: 03/10/2015 15:27 (72), 05/30/2019 14:26 (12)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!