Vulnerability-Lookup

CNVD-2020-36944

Vulnerability from cnvd - Published: 2020-07-08

Title

pam_tacplus日志信息泄露漏洞

Description

pam_tacplus是英国Pawe Krawczyk软件开发者的一款用于通过TACACS +（终端访问控制器访问控制系统）对用户进行身份验证的PAM模块。 pam_tacplus 1.3.8版本至1.5.1版本中的support.c文件存在日志信息泄露漏洞，攻击者可借助syslog利用该漏洞获取机密信息。

Severity

中

Patch Name

pam_tacplus日志信息泄露漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/kravietz/pam_tacplus/commit/4a9852c31c2fd0c0e72fbb689a586aabcfb11cb0

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-13881

Impacted products

Name
Pawe Krawczyk pam_tacplus >=1.3.8，<=1.5.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-13881"
    }
  },
  "description": "pam_tacplus\u662f\u82f1\u56fdPawe Krawczyk\u8f6f\u4ef6\u5f00\u53d1\u8005\u7684\u4e00\u6b3e\u7528\u4e8e\u901a\u8fc7TACACS +\uff08\u7ec8\u7aef\u8bbf\u95ee\u63a7\u5236\u5668\u8bbf\u95ee\u63a7\u5236\u7cfb\u7edf\uff09\u5bf9\u7528\u6237\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u7684PAM\u6a21\u5757\u3002\n\npam_tacplus 1.3.8\u7248\u672c\u81f31.5.1\u7248\u672c\u4e2d\u7684support.c\u6587\u4ef6\u5b58\u5728\u65e5\u5fd7\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u501f\u52a9syslog\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u673a\u5bc6\u4fe1\u606f\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/kravietz/pam_tacplus/commit/4a9852c31c2fd0c0e72fbb689a586aabcfb11cb0",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-36944",
  "openTime": "2020-07-08",
  "patchDescription": "pam_tacplus\u662f\u82f1\u56fdPawe Krawczyk\u8f6f\u4ef6\u5f00\u53d1\u8005\u7684\u4e00\u6b3e\u7528\u4e8e\u901a\u8fc7TACACS +\uff08\u7ec8\u7aef\u8bbf\u95ee\u63a7\u5236\u5668\u8bbf\u95ee\u63a7\u5236\u7cfb\u7edf\uff09\u5bf9\u7528\u6237\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u7684PAM\u6a21\u5757\u3002\r\n\r\npam_tacplus 1.3.8\u7248\u672c\u81f31.5.1\u7248\u672c\u4e2d\u7684support.c\u6587\u4ef6\u5b58\u5728\u65e5\u5fd7\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u501f\u52a9syslog\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u673a\u5bc6\u4fe1\u606f\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "pam_tacplus\u65e5\u5fd7\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Pawe Krawczyk pam_tacplus \u003e=1.3.8\uff0c\u003c=1.5.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-13881",
  "serverity": "\u4e2d",
  "submitTime": "2020-06-08",
  "title": "pam_tacplus\u65e5\u5fd7\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e"
}

CVE-2020-13881 (GCVE-0-2020-13881)

Vulnerability from cvelistv5 – Published: 2020-06-06 18:18 – Updated: 2024-08-04 12:32

Summary

In support.c in pam_tacplus 1.3.8 through 1.5.1, the TACACS+ shared secret gets logged via syslog if the DEBUG loglevel and journald are used.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

7 references

URL	Tags
https://github.com/kravietz/pam_tacplus/issues/149	x_refsource_MISC
https://github.com/kravietz/pam_tacplus/commit/4a…	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2020/06/08/1	mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
https://www.arista.com/en/support/advisories-noti…	x_refsource_MISC
https://usn.ubuntu.com/4521-1/	vendor-advisoryx_refsource_UBUNTU
https://lists.debian.org/debian-lts-announce/2021…	mailing-listx_refsource_MLIST

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T12:32:14.180Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/kravietz/pam_tacplus/issues/149"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/kravietz/pam_tacplus/commit/4a9852c31c2fd0c0e72fbb689a586aabcfb11cb0"
          },
          {
            "name": "[oss-security] 20200608 CVE-2020-13881: pam_tacplus 1.3.8 through 1.5.1, the TACACS+ shared secret gets logged via syslog if configured with debug parameter",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2020/06/08/1"
          },
          {
            "name": "[debian-lts-announce] 20200608 [SECURITY] [DLA 2239-1] libpam-tacplus security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00007.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/11705-security-advisory-50"
          },
          {
            "name": "USN-4521-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/4521-1/"
          },
          {
            "name": "[debian-lts-announce] 20210804 [SECURITY] [DLA 2730-1] libpam-tacplus security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2021/08/msg00006.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In support.c in pam_tacplus 1.3.8 through 1.5.1, the TACACS+ shared secret gets logged via syslog if the DEBUG loglevel and journald are used."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-08-04T14:06:07.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/kravietz/pam_tacplus/issues/149"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/kravietz/pam_tacplus/commit/4a9852c31c2fd0c0e72fbb689a586aabcfb11cb0"
        },
        {
          "name": "[oss-security] 20200608 CVE-2020-13881: pam_tacplus 1.3.8 through 1.5.1, the TACACS+ shared secret gets logged via syslog if configured with debug parameter",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2020/06/08/1"
        },
        {
          "name": "[debian-lts-announce] 20200608 [SECURITY] [DLA 2239-1] libpam-tacplus security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00007.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/11705-security-advisory-50"
        },
        {
          "name": "USN-4521-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/4521-1/"
        },
        {
          "name": "[debian-lts-announce] 20210804 [SECURITY] [DLA 2730-1] libpam-tacplus security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2021/08/msg00006.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-13881",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "In support.c in pam_tacplus 1.3.8 through 1.5.1, the TACACS+ shared secret gets logged via syslog if the DEBUG loglevel and journald are used."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/kravietz/pam_tacplus/issues/149",
              "refsource": "MISC",
              "url": "https://github.com/kravietz/pam_tacplus/issues/149"
            },
            {
              "name": "https://github.com/kravietz/pam_tacplus/commit/4a9852c31c2fd0c0e72fbb689a586aabcfb11cb0",
              "refsource": "MISC",
              "url": "https://github.com/kravietz/pam_tacplus/commit/4a9852c31c2fd0c0e72fbb689a586aabcfb11cb0"
            },
            {
              "name": "[oss-security] 20200608 CVE-2020-13881: pam_tacplus 1.3.8 through 1.5.1, the TACACS+ shared secret gets logged via syslog if configured with debug parameter",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2020/06/08/1"
            },
            {
              "name": "[debian-lts-announce] 20200608 [SECURITY] [DLA 2239-1] libpam-tacplus security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00007.html"
            },
            {
              "name": "https://www.arista.com/en/support/advisories-notices/security-advisories/11705-security-advisory-50",
              "refsource": "MISC",
              "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/11705-security-advisory-50"
            },
            {
              "name": "USN-4521-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4521-1/"
            },
            {
              "name": "[debian-lts-announce] 20210804 [SECURITY] [DLA 2730-1] libpam-tacplus security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2021/08/msg00006.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-13881",
    "datePublished": "2020-06-06T18:18:36.000Z",
    "dateReserved": "2020-06-06T00:00:00.000Z",
    "dateUpdated": "2024-08-04T12:32:14.180Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

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.