CVE-2008-0172 : The get_repeat_type function in basic_regex

The get_repeat_type function in basic_regex_creator.hpp in the Boost regex library (aka Boost.Regex) in Boost 1.33 and 1.34 allows context-dependent attackers to cause a denial of service (NULL dereference and crash) via an invalid regular expression.

Published 2008-01-17 23:00:00

Updated 2025-04-09 00:30:58

Source MITRE

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2008-0172

Boost » Boost » Version: 1.33
cpe:2.3:a:boost:boost:1.33:*:*:*:*:*:*:*
Matching versions
When used together with: Ubuntu » Ubuntu Linux » Version: 6.06 Lts
When used together with: Ubuntu » Ubuntu Linux » Version: 6.10
When used together with: Ubuntu » Ubuntu Linux » Version: 7.04
When used together with: Ubuntu » Ubuntu Linux » Version: 7.10
Boost » Boost » Version: 1.34
cpe:2.3:a:boost:boost:1.34:*:*:*:*:*:*:*
Matching versions
When used together with: Ubuntu » Ubuntu Linux » Version: 6.06 Lts
When used together with: Ubuntu » Ubuntu Linux » Version: 6.10
When used together with: Ubuntu » Ubuntu Linux » Version: 7.04
When used together with: Ubuntu » Ubuntu Linux » Version: 7.10

Exploit prediction scoring system (EPSS) score for CVE-2008-0172

EPSS FAQ

1.93%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 82 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2008-0172

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial

CWE ids for CVE-2008-0172

CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Assigned by: nvd@nist.gov (Primary)

Vendor statements for CVE-2008-0172

Red Hat 2008-05-12

This issue did not affect the version of boost as shipped with Red Hat Enterprise Linux 4. For Red Hat Enterprise Linux 5, Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2008-0172 The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw.

References for CVE-2008-0172