Vulnerability-Lookup

GHSA-PV69-3373-MHHQ

Vulnerability from github – Published: 2022-05-24 16:46 – Updated: 2024-04-04 00:49

Details

An issue was discovered in Tiny C Compiler (aka TinyCC or TCC) 0.9.27. Compiling a crafted source file leads to a one-byte out-of-bounds write in the gsym_addr function in x86_64-gen.c. This occurs because tccasm.c mishandles section switches.

Severity

5.5 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2019-12495"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2019-05-31T11:29:00Z",
    "severity": "MODERATE"
  },
  "details": "An issue was discovered in Tiny C Compiler (aka TinyCC or TCC) 0.9.27. Compiling a crafted source file leads to a one-byte out-of-bounds write in the gsym_addr function in x86_64-gen.c. This occurs because tccasm.c mishandles section switches.",
  "id": "GHSA-pv69-3373-mhhq",
  "modified": "2024-04-04T00:49:59Z",
  "published": "2022-05-24T16:46:55Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-12495"
    },
    {
      "type": "WEB",
      "url": "https://lists.nongnu.org/archive/html/tinycc-devel/2019-05/msg00044.html"
    },
    {
      "type": "WEB",
      "url": "https://repo.or.cz/tinycc.git/commit/d04ce7772c2bc2781ab2502e0b1f1964488814b5"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/108541"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2019-12495 (GCVE-0-2019-12495)

Vulnerability from cvelistv5 – Published: 2019-05-31 10:45 – Updated: 2024-08-04 23:24

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre

References

3 references

URL	Tags
https://lists.nongnu.org/archive/html/tinycc-deve…	x_refsource_MISC
https://repo.or.cz/tinycc.git/commit/d04ce7772c2b…	x_refsource_MISC
http://www.securityfocus.com/bid/108541	vdb-entryx_refsource_BID

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              "x_transferred"
            ],
            "url": "https://lists.nongnu.org/archive/html/tinycc-devel/2019-05/msg00044.html"
          },
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            ],
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          },
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            ],
            "url": "http://www.securityfocus.com/bid/108541"
          }
        ],
        "title": "CVE Program Container"
      }
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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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-PV69-3373-MHHQ

CVE-2019-12495 (GCVE-0-2019-12495)

Tags

Sightings

Nomenclature