SUSE-SU-2019:1860-1

Vulnerability from csaf_suse - Published: 2019-07-16 13:30 - Updated: 2019-07-16 13:30
Summary
Security update for xrdp
Severity
Important
Notes
Title of the patch: Security update for xrdp
Description of the patch: This update for xrdp fixes the following issues: Security issues fixed: - CVE-2013-1430: When successfully logging in using RDP into an xrdp session, the file ~/.vnc/sesman_${username}_passwd was created. Its content was the equivalent of the user's cleartext password, DES encrypted with a known key (bsc#1015567). - CVE-2017-16927: The scp_v0s_accept function in sesman/libscp/libscp_v0.c in the session manager in xrdp through used an untrusted integer as a write length, which could lead to a local denial of service (bsc#1069591). - CVE-2017-6967: Fixed call of the PAM function auth_start_session(). This lead to to PAM session modules not being properly initialized, with a potential consequence of incorrect configurations or elevation of privileges, aka a pam_limits.so bypass (bsc#1029912). Other issues addressed: - The KillDisconnected option for TigerVNC Xvnc sessions is now supported (bsc#1101506) - Fixed an issue with delayed X KeyRelease events (bsc#1100453) - Force xrdp-sesman.service to start after xrdp.service. (bsc#1014524) - Avoid use of hard-coded sesman port. (bsc#1060644) - Backport upstream commit 5575197, sesman should stop setting LANG and let initialization scripts take care of it (bsc#1023988). - Backport upstream patches for 32bpp support (bsc#1022098). - Fixed a regression connecting from Windows 10. (bsc#1090174)
Patchnames: SUSE-2019-1860,SUSE-OpenStack-Cloud-7-2019-1860,SUSE-SLE-SAP-12-SP2-2019-1860,SUSE-SLE-SERVER-12-SP2-2019-1860,SUSE-Storage-4-2019-1860
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
Product Identifier Version Remediation
Unresolved product id: SUSE Enterprise Storage 4:xrdp-0.9.0~git.1456906198.f422461-16.9.3.x86_64 —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP2-LTSS:xrdp-0.9.0~git.1456906198.f422461-16.9.3.ppc64le —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP2-LTSS:xrdp-0.9.0~git.1456906198.f422461-16.9.3.s390x —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP2-LTSS:xrdp-0.9.0~git.1456906198.f422461-16.9.3.x86_64 —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP2:xrdp-0.9.0~git.1456906198.f422461-16.9.3.ppc64le —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP2:xrdp-0.9.0~git.1456906198.f422461-16.9.3.x86_64 —
Vendor Fix
Unresolved product id: SUSE OpenStack Cloud 7:xrdp-0.9.0~git.1456906198.f422461-16.9.3.s390x —
Vendor Fix
Unresolved product id: SUSE OpenStack Cloud 7:xrdp-0.9.0~git.1456906198.f422461-16.9.3.x86_64 —
Vendor Fix
Threats
Impact low
Affected products
Recommended 8 products, the same list as for CVE-2013-1430
Threats
Impact moderate
Affected products
Recommended 8 products, the same list as for CVE-2013-1430
Threats
Impact moderate

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  "vulnerabilities": [
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          "category": "general",
          "text": "An issue was discovered in xrdp before 0.9.1. When successfully logging in using RDP into an xrdp session, the file ~/.vnc/sesman_${username}_passwd is created. Its content is the equivalent of the user\u0027s cleartext password, DES encrypted with a known key.",
          "title": "CVE description"
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          "summary": "SUSE Bug 1015567 for CVE-2013-1430",
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          "summary": "SUSE Bug 442182 for CVE-2013-1430",
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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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      "scores": [
        {
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            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.0"
          },
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      "threats": [
        {
          "category": "impact",
          "date": "2019-07-16T13:30:46Z",
          "details": "low"
        }
      ],
      "title": "CVE-2013-1430"
    },
    {
      "cve": "CVE-2017-16927",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2017-16927"
        }
      ],
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        {
          "category": "general",
          "text": "The scp_v0s_accept function in sesman/libscp/libscp_v0.c in the session manager in xrdp through 0.9.4 uses an untrusted integer as a write length, which allows local users to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact via a crafted input stream.",
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          "category": "external",
          "summary": "CVE-2017-16927",
          "url": "https://www.suse.com/security/cve/CVE-2017-16927"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1069591 for CVE-2017-16927",
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            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
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          "text": "https://www.suse.com/security/cve/CVE-2017-6967"
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        {
          "category": "general",
          "text": "xrdp 0.9.1 calls the PAM function auth_start_session() in an incorrect location, leading to PAM session modules not being properly initialized, with a potential consequence of incorrect configurations or elevation of privileges, aka a pam_limits.so bypass.",
          "title": "CVE description"
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      ],
      "title": "CVE-2017-6967"
    }
  ]
}



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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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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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