GNU binutils 2.30 GNU libiberty cplus-dem.c work_stuff_copy_to_from null pointer dereference

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.4 | $0-$5k | 0.00 |
Summary
A vulnerability was found in GNU binutils 2.30. It has been declared as problematic. This impacts the function work_stuff_copy_to_from of the file cplus-dem.c of the component GNU libiberty. The manipulation results in null pointer dereference.
This vulnerability is reported as CVE-2018-12697. The attack can be launched remotely. No exploit exists.
Details
A vulnerability was found in GNU binutils 2.30 (Programming Tool Software). It has been classified as problematic. Affected is the function work_stuff_copy_to_from of the file cplus-dem.c of the component GNU libiberty. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. CVE summarizes:
A NULL pointer dereference (aka SEGV on unknown address 0x000000000000) was discovered in work_stuff_copy_to_from in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.30. This can occur during execution of objdump.
The bug was discovered 04/18/2018. The weakness was disclosed 06/23/2018 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2018-12697 since 06/23/2018. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.
The vulnerability was handled as a non-public zero-day exploit for at least 66 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.
The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 104538†). The entries VDB-119835, VDB-119834 and VDB-119833 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.gnu.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.4VulDB 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: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Null pointer dereferenceCWE: 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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
04/18/2018 🔍06/23/2018 🔍
06/23/2018 🔍
06/23/2018 🔍
06/23/2018 🔍
06/24/2018 🔍
03/28/2023 🔍
Sources
Vendor: gnu.orgAdvisory: RHSA-2019:2075⛔
Status: Not defined
CVE: CVE-2018-12697 (🔍)
GCVE (CVE): GCVE-0-2018-12697
GCVE (VulDB): GCVE-100-119832
SecurityFocus: 104538 - GNU libiberty CVE-2018-12697 Memory Corruption Vulnerability
See also: 🔍
Entry
Created: 06/24/2018 12:19Updated: 03/28/2023 16:58
Changes: 06/24/2018 12:19 (62), 02/21/2020 14:26 (3), 03/28/2023 16:58 (3)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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