SUSE-SU-2022:0732-1
Vulnerability from csaf_suse - Published: 2022-03-04 13:47 - Updated: 2022-03-04 13:47Summary
Security update for zsh
Severity
Important
Notes
Title of the patch: Security update for zsh
Description of the patch: This update for zsh fixes the following issues:
- CVE-2021-45444: Fixed a vulnerability where arbitrary shell commands could be
executed related to prompt expansion (bsc#1196435).
- CVE-2019-20044: Fixed a vulnerability where shell privileges would not be
properly dropped when unsetting the PRIVILEGED option (bsc#1163882).
Patchnames: SUSE-2022-732,SUSE-SLE-Product-HPC-15-2022-732,SUSE-SLE-Product-SLES-15-2022-732,SUSE-SLE-Product-SLES_SAP-15-2022-732
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
Affected products
Recommended
10 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 15-ESPOS:zsh-5.6-3.11.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 15-ESPOS:zsh-5.6-3.11.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 15-LTSS:zsh-5.6-3.11.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 15-LTSS:zsh-5.6-3.11.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 15-LTSS:zsh-5.6-3.11.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 15-LTSS:zsh-5.6-3.11.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 15-LTSS:zsh-5.6-3.11.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 15-LTSS:zsh-5.6-3.11.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 15:zsh-5.6-3.11.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 15:zsh-5.6-3.11.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
Affected products
Recommended
10 products, the same list as for
CVE-2019-20044
Threats
Impact
important
References
17 references
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],
"notes": [
{
"category": "general",
"text": "In Zsh before 5.8, attackers able to execute commands can regain privileges dropped by the --no-PRIVILEGED option. Zsh fails to overwrite the saved uid, so the original privileges can be restored by executing MODULE_PATH=/dir/with/module zmodload with a module that calls setuid().",
"title": "CVE description"
}
],
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"scores": [
{
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}
],
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},
{
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},
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"SUSE Linux Enterprise Server 15-LTSS:zsh-5.6-3.11.1.s390x",
"SUSE Linux Enterprise Server 15-LTSS:zsh-5.6-3.11.1.x86_64",
"SUSE Linux Enterprise Server for SAP Applications 15:zsh-5.6-3.11.1.ppc64le",
"SUSE Linux Enterprise Server for SAP Applications 15:zsh-5.6-3.11.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"SUSE Linux Enterprise High Performance Computing 15-ESPOS:zsh-5.6-3.11.1.aarch64",
"SUSE Linux Enterprise High Performance Computing 15-ESPOS:zsh-5.6-3.11.1.x86_64",
"SUSE Linux Enterprise High Performance Computing 15-LTSS:zsh-5.6-3.11.1.aarch64",
"SUSE Linux Enterprise High Performance Computing 15-LTSS:zsh-5.6-3.11.1.x86_64",
"SUSE Linux Enterprise Server 15-LTSS:zsh-5.6-3.11.1.aarch64",
"SUSE Linux Enterprise Server 15-LTSS:zsh-5.6-3.11.1.ppc64le",
"SUSE Linux Enterprise Server 15-LTSS:zsh-5.6-3.11.1.s390x",
"SUSE Linux Enterprise Server 15-LTSS:zsh-5.6-3.11.1.x86_64",
"SUSE Linux Enterprise Server for SAP Applications 15:zsh-5.6-3.11.1.ppc64le",
"SUSE Linux Enterprise Server for SAP Applications 15:zsh-5.6-3.11.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2022-03-04T13:47:38Z",
"details": "important"
}
],
"title": "CVE-2021-45444"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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