cnvd - cnvd-2021-37478

cnvd-2021-37478

Vulnerability from cnvd

Title: libxml2资源管理错误漏洞

Description:

libxml2是开源的一个用来解析XML文档的函数库。它用C语言写成，并且能为多种语言所调用，例如C语言，C++，XSH。

libxml2 2.9.11之前版本存在资源管理错误漏洞。攻击者可借助特制文件利用该漏洞触发释放后重用。

Severity: 中

Patch Name: libxml2资源管理错误漏洞的补丁

Patch Description:

libxml2是开源的一个用来解析XML文档的函数库。它用C语言写成，并且能为多种语言所调用，例如C语言，C++，XSH。

libxml2 2.9.11之前版本存在资源管理错误漏洞。攻击者可借助特制文件利用该漏洞触发释放后重用。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://bugzilla.redhat.com/show_bug.cgi?id=1954242

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-3518

Impacted products

Name
libxml2 libxml2 <2.9.11

Show details on source website

JSON

To clipboard

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}

CVE-2021-3518 (GCVE-0-2021-3518)

Vulnerability from cvelistv5

Published

2021-05-18 11:20

Modified

2024-08-03 17:01

Severity ?

CWE

CWE-416

Summary

There's a flaw in libxml2 in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by an application linked with libxml2 could trigger a use-after-free. The greatest impact from this flaw is to confidentiality, integrity, and availability.

References

▼	URL	Tags
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/	vendor-advisory, x_refsource_FEDORA
	https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html	mailing-list, x_refsource_MLIST
	https://bugzilla.redhat.com/show_bug.cgi?id=1954242	x_refsource_MISC
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/	vendor-advisory, x_refsource_FEDORA
	https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E	mailing-list, x_refsource_MLIST
	https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E	mailing-list, x_refsource_MLIST
	https://security.gentoo.org/glsa/202107-05	vendor-advisory, x_refsource_GENTOO
	https://security.netapp.com/advisory/ntap-20210625-0002/	x_refsource_CONFIRM
	http://seclists.org/fulldisclosure/2021/Jul/58	mailing-list, x_refsource_FULLDISC
	http://seclists.org/fulldisclosure/2021/Jul/54	mailing-list, x_refsource_FULLDISC
	http://seclists.org/fulldisclosure/2021/Jul/55	mailing-list, x_refsource_FULLDISC
	http://seclists.org/fulldisclosure/2021/Jul/59	mailing-list, x_refsource_FULLDISC
	https://www.oracle.com/security-alerts/cpuoct2021.html	x_refsource_MISC
	https://support.apple.com/kb/HT212605	x_refsource_CONFIRM
	https://support.apple.com/kb/HT212602	x_refsource_CONFIRM
	https://support.apple.com/kb/HT212601	x_refsource_CONFIRM
	https://support.apple.com/kb/HT212604	x_refsource_CONFIRM
	https://www.oracle.com/security-alerts/cpuapr2022.html	x_refsource_MISC
	https://www.oracle.com/security-alerts/cpujul2022.html	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	libxml2	Version: libxml2 2.9.11

Show details on NVD website

JSON

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              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20210625-0002/"
            },
            {
              "name": "20210723 APPLE-SA-2021-07-21-5 watchOS 7.6",
              "refsource": "FULLDISC",
              "url": "http://seclists.org/fulldisclosure/2021/Jul/58"
            },
            {
              "name": "20210723 APPLE-SA-2021-07-21-1 iOS 14.7 and iPadOS 14.7",
              "refsource": "FULLDISC",
              "url": "http://seclists.org/fulldisclosure/2021/Jul/54"
            },
            {
              "name": "20210723 APPLE-SA-2021-07-21-2 macOS Big Sur 11.5",
              "refsource": "FULLDISC",
              "url": "http://seclists.org/fulldisclosure/2021/Jul/55"
            },
            {
              "name": "20210723 APPLE-SA-2021-07-21-6 tvOS 14.7",
              "refsource": "FULLDISC",
              "url": "http://seclists.org/fulldisclosure/2021/Jul/59"
            },
            {
              "name": "https://www.oracle.com/security-alerts/cpuoct2021.html",
              "refsource": "MISC",
              "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
            },
            {
              "name": "https://support.apple.com/kb/HT212605",
              "refsource": "CONFIRM",
              "url": "https://support.apple.com/kb/HT212605"
            },
            {
              "name": "https://support.apple.com/kb/HT212602",
              "refsource": "CONFIRM",
              "url": "https://support.apple.com/kb/HT212602"
            },
            {
              "name": "https://support.apple.com/kb/HT212601",
              "refsource": "CONFIRM",
              "url": "https://support.apple.com/kb/HT212601"
            },
            {
              "name": "https://support.apple.com/kb/HT212604",
              "refsource": "CONFIRM",
              "url": "https://support.apple.com/kb/HT212604"
            },
            {
              "name": "https://www.oracle.com/security-alerts/cpuapr2022.html",
              "refsource": "MISC",
              "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
            },
            {
              "name": "https://www.oracle.com/security-alerts/cpujul2022.html",
              "refsource": "MISC",
              "url": "https://www.oracle.com/security-alerts/cpujul2022.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2021-3518",
    "datePublished": "2021-05-18T11:20:24",
    "dateReserved": "2021-04-27T00:00:00",
    "dateUpdated": "2024-08-03T17:01:07.460Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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