GNU libiberty cplus-dem.c null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in GNU libiberty. Impacted is an unknown function of the file cplus-dem.c. The manipulation leads to null pointer dereference. This vulnerability is listed as CVE-2018-17794. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in GNU libiberty (version now known). It has been rated as problematic. This issue affects some unknown processing of the file cplus-dem.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:

An issue was discovered in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.31. There is a NULL pointer dereference in work_stuff_copy_to_from when called from iterate_demangle_function.

The bug was discovered 09/18/2018. The weakness was presented 09/30/2018 (Website). The advisory is shared at gcc.gnu.org. The identification of this vulnerability is CVE-2018-17794 since 09/30/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 12 days. During that time the estimated underground price was around $0-$5k.

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

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • GNU Binutils 2.31

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / 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

09/18/2018 🔍
09/30/2018 +11 days 🔍
09/30/2018 +0 days 🔍
09/30/2018 +0 days 🔍
10/01/2018 +1 days 🔍
05/19/2023 +1691 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: USN-4326-1
Status: Not defined

CVE: CVE-2018-17794 (🔍)
GCVE (CVE): GCVE-0-2018-17794
GCVE (VulDB): GCVE-100-124613

Entryinfo

Created: 10/01/2018 07:42
Updated: 05/19/2023 14:43
Changes: 10/01/2018 07:42 (56), 03/28/2020 10:39 (1), 05/19/2023 14:43 (3)
Complete: 🔍
Cache ID: 216::103

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Discussion

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