cpio 2.7 Extraction --no-absolute-filenames privileges management
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.3 | $0-$5k | 0.00 |
A vulnerability was found in cpio 2.7. It has been declared as critical. Affected by this vulnerability is an unknown part of the component Extraction. The manipulation of the argument --no-absolute-filenames
with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
It was found that the cpio --no-absolute-filenames option since version 2.7 did not verify paths during extraction. A specially crafted cpio archive could bypass this option and write to an arbitrary location, outside of the extraction directory.
The bug was discovered 01/29/2018. The weakness was presented 01/29/2018 as Bug 1539685 as not defined bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. This vulnerability is known as CVE-2017-7516 since 04/05/2017. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Privileges managementCWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
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
04/05/2017 🔍01/29/2018 🔍
01/29/2018 🔍
01/29/2018 🔍
01/30/2018 🔍
12/31/2019 🔍
Sources
Advisory: Bug 1539685Status: Not defined
CVE: CVE-2017-7516 (🔍)
Entry
Created: 01/30/2018 08:06Updated: 12/31/2019 11:14
Changes: 01/30/2018 08:06 (42), 12/31/2019 11:14 (1)
Complete: 🔍
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