CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.1 | $0-$5k | 0.00 |
A vulnerability classified as critical has been found in Linux Kernel (Operating System) (version unknown). Affected is an unknown function of the component pam_smb. 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 PAM SMB module (pam_smb) 1.1.6 and earlier, when authenticating to a remote service, allows remote attackers to execute arbitrary code.
The bug was discovered . The weakness was disclosed 08/26/2003 by Dave Airlie with Samba Project (Website). The advisory is shared for download at lists.netsys.com. This vulnerability is traded as CVE-2003-0686 since 08/14/2003. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available.
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 12290 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 15211 (Debian DSA-374-1 : libpam-smb - buffer overflow), 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. Applying a patch is able to eliminate this problem. The bugfix is ready for download at us1.samba.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (13027), Tenable (15211) and Exploit-DB (89). Further details are available at rhn.redhat.com. The entry 253 is pretty similar.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.6VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.6
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: 🔍
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 15211
Nessus Name: Debian DSA-374-1 : libpam-smb - buffer overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍
OpenVAS ID: 53696
OpenVAS Name: Debian Security Advisory DSA 374-1 (libpam-smb)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Patch: us1.samba.org
Timeline
08/14/2003 🔍08/26/2003 🔍
08/26/2003 🔍
08/26/2003 🔍
08/26/2003 🔍
08/27/2003 🔍
08/27/2003 🔍
09/08/2003 🔍
10/20/2003 🔍
09/29/2004 🔍
06/26/2019 🔍
Sources
Vendor: kernel.orgAdvisory: lists.netsys.com
Researcher: Dave Airlie
Organization: Samba Project
Status: Not defined
Confirmation: 🔍
CVE: CVE-2003-0686 (🔍)
OVAL: 🔍
X-Force: 13027
Vulnerability Center: 2024 - Buffer Overflow in pam_smb Module Allows Remote Arbitrary Code Execution, Medium
SecurityFocus: 8491 - Pam_SMB Remote Buffer Overflow Vulnerability
Secunia: 9611 - pam_smb Password Buffer Overflow Vulnerability, Moderately Critical
OSVDB: 2476 - PAM SMB Module (pam_smb) Service Authentication Remote Overflow
scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍
Entry
Created: 08/27/2003 11:07Updated: 06/26/2019 12:23
Changes: 08/27/2003 11:07 (95), 06/26/2019 12:23 (3)
Complete: 🔍
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