Long Range Zip 0.631 Size Validation stream.c decompress_file use after free
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.4 | $0-$5k | 0.00 |
Summary
A vulnerability described as critical has been identified in Long Range Zip 0.631. The affected element is the function decompress_file of the file stream.c of the component Size Validation. Such manipulation leads to use after free.
This vulnerability is documented as CVE-2018-11496. The attack can be executed remotely. There is not any exploit available.
Details
A vulnerability was found in Long Range Zip 0.631 and classified as critical. Affected by this issue is the function decompress_file of the file stream.c of the component Size Validation. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:
In Long Range Zip (aka lrzip) 0.631, there is a use-after-free in read_stream in stream.c, because decompress_file in lrzip.c lacks certain size validation.
The bug was discovered 05/25/2018. The weakness was released 05/26/2018 (Website). The advisory is shared for download at github.com. This vulnerability is handled as CVE-2018-11496 since 05/26/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, 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.
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Product
Name
Version
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: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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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: Use after freeCWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
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: 🔍
Timeline
05/25/2018 🔍05/26/2018 🔍
05/26/2018 🔍
05/26/2018 🔍
05/27/2018 🔍
03/17/2023 🔍
Sources
Advisory: 96Status: Not defined
CVE: CVE-2018-11496 (🔍)
GCVE (CVE): GCVE-0-2018-11496
GCVE (VulDB): GCVE-100-118256
Entry
Created: 05/27/2018 11:23Updated: 03/17/2023 11:05
Changes: 05/27/2018 11:23 (57), 02/09/2020 08:49 (1), 03/17/2023 11:00 (3), 03/17/2023 11:05 (1)
Complete: 🔍
Cache ID: 216::103
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