uClibc 0.9.33.2 Regular Expression misc/regex/regexec.c check_dst_limits_calc_pos_1 resource management

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in uClibc 0.9.33.2. Affected by this issue is the function check_dst_limits_calc_pos_1 of the file misc/regex/regexec.c of the component Regular Expression. Such manipulation leads to resource management. This vulnerability is referenced as CVE-2017-9729. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in uClibc 0.9.33.2. Affected by this issue is the function check_dst_limits_calc_pos_1 of the file misc/regex/regexec.c of the component Regular Expression. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. CVE summarizes:

In uClibc 0.9.33.2, there is stack exhaustion (uncontrolled recursion) in the check_dst_limits_calc_pos_1 function in misc/regex/regexec.c when processing a crafted regular expression.

The bug was discovered 06/16/2017. The weakness was published 06/16/2017 (Website). The advisory is shared for download at openwall.com. This vulnerability is handled as CVE-2017-9729 since 06/16/2017. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entry is available at VDB-102619. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/16/2017 🔍
06/16/2017 +0 days 🔍
06/16/2017 +0 days 🔍
06/16/2017 +0 days 🔍
06/16/2017 +0 days 🔍
10/18/2019 +854 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Not defined

CVE: CVE-2017-9729 (🔍)
GCVE (CVE): GCVE-0-2017-9729
GCVE (VulDB): GCVE-100-102620
See also: 🔍

Entryinfo

Created: 06/16/2017 21:20
Updated: 10/18/2019 14:14
Changes: 06/16/2017 21:20 (57), 10/18/2019 14:14 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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