radare2 2.0.1 on 32-bit elf.c store_versioninfo_gnu_verneed Negative Number out-of-bounds
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.5 | $0-$5k | 0.00 |
Summary
A vulnerability was found in radare2 2.0.1 on 32-bit. It has been rated as problematic. This issue affects the function store_versioninfo_gnu_verneed of the file libr/bin/format/elf/elf.c. Performing a manipulation as part of Negative Number results in out-of-bounds.
This vulnerability is reported as CVE-2017-15931. The attack requires a local approach. No exploit exists.
Details
A vulnerability was found in radare2 2.0.1 on 32-bit (Programming Tool Software). It has been classified as critical. This affects the function store_versioninfo_gnu_verneed of the file libr/bin/format/elf/elf.c. The manipulation as part of a Negative Number leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
In radare2 2.0.1, an integer exception (negative number leading to an invalid memory access) exists in store_versioninfo_gnu_verneed() in libr/bin/format/elf/elf.c via crafted ELF files on 32bit systems.
The bug was discovered 10/26/2017. The weakness was disclosed 10/27/2017 (GitHub Repository). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2017-15931 since 10/27/2017. It is possible to initiate the attack remotely. No form of authentication is needed for 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 1 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 101609†). The entry VDB-108718 is pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.8VulDB Meta Temp Score: 7.5
VulDB Base Score: 7.8
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Patch: github.com
Timeline
10/26/2017 🔍10/27/2017 🔍
10/27/2017 🔍
10/27/2017 🔍
10/27/2017 🔍
10/28/2017 🔍
01/05/2023 🔍
Sources
Advisory: c6d0076c924891ad9948a62d89d0bcdaf965f0cdResearcher: gsharpsh00ter
Status: Not defined
Confirmation: 🔍
CVE: CVE-2017-15931 (🔍)
GCVE (CVE): GCVE-0-2017-15931
GCVE (VulDB): GCVE-100-108717
SecurityFocus: 101609 - radare2 'libr/bin/format/elf/elf.c' Remote Denial Of Service Vulnerability
See also: 🔍
Entry
Created: 10/28/2017 10:32Updated: 01/05/2023 09:08
Changes: 10/28/2017 10:32 (62), 12/01/2019 14:15 (4), 01/21/2021 07:07 (2), 01/05/2023 09:08 (4)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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