Vulnerability-Lookup

SUSE-SU-2017:2173-1

Vulnerability from csaf_suse - Published: 2017-08-16 09:28 - Updated: 2026-09-20 12:30

Summary

Security update for gnome-session

Severity

Moderate

Notes

Title of the patch: Security update for gnome-session

Description of the patch: This update for gnome-session fixes the following issues: - CVE-2017-11171: Fix a denial of service condition. an unauthenticated local user can create ICE connections, causing a file descriptor leak in gnome-session (bsc#1048274).

Patchnames: slessp4-gnome-session-13231

CVE-2017-11171

4 (Medium)


                
                  CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected products

Recommended 20 products

Product	Version	Remediation
Unresolved product id: SUSE Linux Enterprise Server 11 SP4:gnome-session-0:2.28.0-3.11.12.2.i586	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 11 SP4:gnome-session-0:2.28.0-3.11.12.2.ia64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 11 SP4:gnome-session-0:2.28.0-3.11.12.2.ppc64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 11 SP4:gnome-session-0:2.28.0-3.11.12.2.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 11 SP4:gnome-session-0:2.28.0-3.11.12.2.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 11 SP4:gnome-session-lang-0:2.28.0-3.11.12.2.i586	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 11 SP4:gnome-session-lang-0:2.28.0-3.11.12.2.ia64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 11 SP4:gnome-session-lang-0:2.28.0-3.11.12.2.ppc64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 11 SP4:gnome-session-lang-0:2.28.0-3.11.12.2.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 11 SP4:gnome-session-lang-0:2.28.0-3.11.12.2.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 11 SP4:gnome-session-0:2.28.0-3.11.12.2.i586	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 11 SP4:gnome-session-0:2.28.0-3.11.12.2.ia64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 11 SP4:gnome-session-0:2.28.0-3.11.12.2.ppc64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 11 SP4:gnome-session-0:2.28.0-3.11.12.2.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 11 SP4:gnome-session-0:2.28.0-3.11.12.2.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 11 SP4:gnome-session-lang-0:2.28.0-3.11.12.2.i586	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 11 SP4:gnome-session-lang-0:2.28.0-3.11.12.2.ia64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 11 SP4:gnome-session-lang-0:2.28.0-3.11.12.2.ppc64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 11 SP4:gnome-session-lang-0:2.28.0-3.11.12.2.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 11 SP4:gnome-session-lang-0:2.28.0-3.11.12.2.x86_64	—	Vendor Fix

Threats

Impact moderate

References

9 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/s…	self
https://www.suse.com/support/update/announcement/…	self
https://lists.suse.com/pipermail/sle-security-upd…	self
https://bugzilla.suse.com/1048274	self
https://www.suse.com/security/cve/CVE-2017-11171/	self
https://www.suse.com/security/cve/CVE-2017-11171	external
https://bugzilla.suse.com/1025068	external
https://bugzilla.suse.com/1048274	external

JSON

To clipboard

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        "text": "\n\nThis update for gnome-session fixes the following issues:\n\n- CVE-2017-11171: Fix a denial of service condition. an unauthenticated local user\n  can create ICE connections, causing a file descriptor leak in\n  gnome-session (bsc#1048274).\n\n",
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  "vulnerabilities": [
    {
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      "ids": [
        {
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          "text": "https://www.suse.com/security/cve/CVE-2017-11171"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Bad reference counting in the context of accept_ice_connection() in gsm-xsmp-server.c in old versions of gnome-session up until version 2.29.92 allows a local attacker to establish ICE connections to gnome-session with invalid authentication data (an invalid magic cookie). Each failed authentication attempt will leak a file descriptor in gnome-session. When the maximum number of file descriptors is exhausted in the gnome-session process, it will enter an infinite loop trying to communicate without success, consuming 100% of the CPU. The graphical session associated with the gnome-session process will stop working correctly, because communication with gnome-session is no longer possible.",
          "title": "CVE description"
        }
      ],
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        {
          "category": "external",
          "summary": "SUSE Bug 1025068 for CVE-2017-11171",
          "url": "https://bugzilla.suse.com/1025068"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1048274 for CVE-2017-11171",
          "url": "https://bugzilla.suse.com/1048274"
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      "remediations": [
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          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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            "version": "3.0"
          },
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      ],
      "threats": [
        {
          "category": "impact",
          "date": "2017-08-16T09:28:45Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2017-11171"
    }
  ]
}

CVE-2017-11171 (GCVE-0-2017-11171)

Vulnerability from cvelistv5 – Published: 2017-07-11 20:00 – Updated: 2024-09-17 03:34

Summary

Bad reference counting in the context of accept_ice_connection() in gsm-xsmp-server.c in old versions of gnome-session up until version 2.29.92 allows a local attacker to establish ICE connections to gnome-session with invalid authentication data (an invalid magic cookie). Each failed authentication attempt will leak a file descriptor in gnome-session. When the maximum number of file descriptors is exhausted in the gnome-session process, it will enter an infinite loop trying to communicate without success, consuming 100% of the CPU. The graphical session associated with the gnome-session process will stop working correctly, because communication with gnome-session is no longer possible.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

2 references

URL	Tags
https://bugzilla.suse.com/show_bug.cgi?id=1025068	x_refsource_CONFIRM
https://github.com/GNOME/gnome-session/commit/b0d…	x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

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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.

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.

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.

Action not permitted

SUSE-SU-2017:2173-1

CVE-2017-11171 (GCVE-0-2017-11171)

Tags

Sightings

Nomenclature

Related by attack behaviour