CVE-2022-29527: amazon amazon_ssm_agent Race Condition
CVSS: 7.0v3.1HighModified
AliasesSUSE-SU-2022:1510-1SUSE-SU-2022:3654-1openSUSE-SU-2024:12012-1
Published 20-04-2022Last modified 03-08-2024
Vulnerability summary
CVE-2022-29527 is a high (CVSS 7.0) Race Condition vulnerability in amazon amazon_ssm_agent. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 21.3% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.0/10
010
High · v3.1 (NVD)EPSS score
0.30%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 20-04-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Amazon AWS amazon-ssm-agent before 3.1.1208.0 creates a world-writable sudoers file, which allows local attackers to inject Sudo rules and escalate privileges to root. This occurs in certain situations involving a race condition.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.0Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
Medium 6.9Preferred score · NVD (NIST)
AV:L/AC:M/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
0.30%
Chance of exploitation in the next 30 days
Percentile
21%
Versus all other CVEs
30-day change
0.00 pp
From 0.30% on 19-09-2026
19-09-202619-10-2026
EPSS score0.30%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (bugzilla.suse.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
- CWE-732Incorrect Permission Assignment for Critical ResourceThe product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.
Affected systems
Suse5 products
- amazon-ssm-agent&distro=SUSE Linux Enterprise Module for Public Cloud 12< 3.1.1260.0-4.27.2
- amazon-ssm-agent&distro=SUSE Linux Enterprise Module for Public Cloud 15< 3.1.1260.0-150000.5.9.2
- amazon-ssm-agent&distro=SUSE Linux Enterprise Module for Public Cloud 15 SP1< 3.1.1260.0-150000.5.9.2
- amazon-ssm-agent&distro=SUSE Linux Enterprise Module for Public Cloud 15 SP2< 3.1.1260.0-150000.5.9.2
- amazon-ssm-agent&distro=SUSE Linux Enterprise Module for Public Cloud 15 SP3< 3.1.1260.0-150000.5.9.2
Opensuse3 products
- amazon-ssm-agent&distro=openSUSE Leap 15.3< 3.1.1260.0-150000.5.9.2
- amazon-ssm-agent&distro=openSUSE Leap 15.4< 3.1.1260.0-150000.5.9.2
- amazon-ssm-agent&distro=openSUSE Tumbleweed< 3.1.1260.0-1.1
Amazon1 product
- amazon_ssm_agent< 3.1.1208.0
3 vendors · 9 products
References
7 links- github.com/aws/amazon-ssm-agent/releases/tag/3.1.1208.0X Refsource MISCPatchRelease NotesThird Party Advisory
- github.com/aws/amazon-ssm-agent/commit/0fe8ae99b2ff25649c7b86d3bc05fc037400aca7X Refsource MISCPatchThird Party Advisory