Vulnerabilities
Misconfiguration
Runtime Security
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CVE Vulnerabilities

CVE-2010-2008

Improper Neutralization of Special Elements used in a Command ('Command Injection')

Published: Jul 13, 2010 | Modified: Nov 09, 2020
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
3.5 LOW
AV:N/AC:M/Au:S/C:N/I:N/A:P
RedHat/V2
4.9 MODERATE
AV:N/AC:M/Au:S/C:N/I:P/A:P
RedHat/V3
Ubuntu
MEDIUM
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2010-2008
CWEhttps://cwe.mitre.org/data/definitions/77.html

MySQL before 5.1.48 allows remote authenticated users with alter database privileges to cause a denial of service (server crash and database loss) via an ALTER DATABASE command with a #mysql50# string followed by a . (dot), .. (dot dot), ../ (dot dot slash) or similar sequence, and an UPGRADE DATA DIRECTORY NAME command, which causes MySQL to move certain directories to the server data directory.

Weakness

The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

Affected Software

Name Vendor Start Version End Version
Mysql Oracle * 5.1.48 (excluding)
Mysql-5.1 Ubuntu devel *
Mysql-5.1 Ubuntu maverick *
Mysql-5.1 Ubuntu upstream *
Mysql-dfsg-5.1 Ubuntu jaunty *
Mysql-dfsg-5.1 Ubuntu karmic *
Mysql-dfsg-5.1 Ubuntu lucid *
Mysql-dfsg-5.1 Ubuntu upstream *

Extended Description

Command injection vulnerabilities typically occur when:

Many protocols and products have their own custom command language. While OS or shell command strings are frequently discovered and targeted, developers may not realize that these other command languages might also be vulnerable to attacks. Command injection is a common problem with wrapper programs.

Potential Mitigations

  • Assume all input is malicious. Use an “accept known good” input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
  • When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, “boat” may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as “red” or “blue.”
  • Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code’s environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.

References

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