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CVE-2017-16997 (GCVE-0-2017-16997)

Vulnerability from cvelistv5 – Published: 2017-12-18 01:00 – Updated: 2024-08-05 20:43
VLAI
Summary
elf/dl-load.c in the GNU C Library (aka glibc or libc6) 2.19 through 2.26 mishandles RPATH and RUNPATH containing $ORIGIN for a privileged (setuid or AT_SECURE) program, which allows local users to gain privileges via a Trojan horse library in the current working directory, related to the fillin_rpath and decompose_rpath functions. This is associated with misinterpretion of an empty RPATH/RUNPATH token as the "./" directory. NOTE: this configuration of RPATH/RUNPATH for a privileged program is apparently very uncommon; most likely, no such program is shipped with any common Linux distribution.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • improper RPATH/RUNPATH validation
Assigner
References
Impacted products
Vendor Product Version CPE status
n/a glibc 2.19 through 2.26 Affected: glibc 2.19 through 2.26
Date Public
2017-12-17 00:00
Show details on NVD website
To clipboard 

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              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                "version": "3.0"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2017-12-18T01:29:00.190",
        "references": [
          {
            "source": "security@debian.org",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securityfocus.com/bid/102228"
          },
          {
            "source": "security@debian.org",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://access.redhat.com/errata/RHBA-2019:0327"
          },
          {
            "source": "security@debian.org",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2018:3092"
          },
          {
            "source": "security@debian.org",
            "tags": [
              "Issue Tracking",
              "Mailing List",
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://bugs.debian.org/884615"
          },
          {
            "source": "security@debian.org",
            "tags": [
              "Issue Tracking",
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=22625"
          },
          {
            "source": "security@debian.org",
            "tags": [
              "Issue Tracking",
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://sourceware.org/ml/libc-alpha/2017-12/msg00528.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securityfocus.com/bid/102228"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://access.redhat.com/errata/RHBA-2019:0327"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2018:3092"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Issue Tracking",
              "Mailing List",
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://bugs.debian.org/884615"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Issue Tracking",
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=22625"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Issue Tracking",
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://sourceware.org/ml/libc-alpha/2017-12/msg00528.html"
          }
        ],
        "sourceIdentifier": "security@debian.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-426"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-05-13T01:31:02+00:00",
      "cve": "CVE-2017-16997",
      "id": "CVE-2017-16997",
      "initial_release_date": "2017-12-17T00:00:00+00:00",
      "product_status:fixed": "600",
      "product_status:known_affected": "14",
      "product_status:known_not_affected": "215",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "glibc: Incorrect handling of RPATH in elf/dl-load.c can be used to execute code loaded from arbitrary libraries",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2017/cve-2017-16997.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "low",
      "current_release_date": "2026-09-03T00:57:42Z",
      "cve": "CVE-2017-16997",
      "id": "CVE-2017-16997",
      "initial_release_date": "2023-02-15T04:37:05Z",
      "product_status:known_affected": "381",
      "product_status:known_not_affected": "317",
      "product_status:recommended": "1180",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2017-16997",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2017-16997.json",
      "version": "38"
    }
  }
}



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Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.


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.