Vulnerability-Lookup

CNVD-2015-08375

Vulnerability from cnvd - Published: 2015-12-22

Title

libxml2拒绝服务漏洞（CNVD-2015-08375）

Description

Libxml2是GNOME项目组所研发的一个基于C语言的用来解析XML文档的函数库，它支持多种编码格式、Xpath解析、Well-formed和valid验证等。 libxml2 2.9.2版本的‘xmlNextChar’函数中存在安全漏洞，该漏洞源于程序未能正确检查状态。攻击者可借助特制的XML数据利用该漏洞造成拒绝服务（基于堆的缓冲区越边界读取和应用程序崩溃），或获取敏感信息。

Severity

中

Patch Name

libxml2拒绝服务漏洞（CNVD-2015-08375）的补丁

Patch Description

Formal description

用户可参考如下厂商提供的安全公告获取补丁以修复该漏洞： https://git.gnome.org/browse/libxml2/commit/?id=ab2b9a93ff19cedde7befbf2fcc48c6e352b6cbe

Reference

https://git.gnome.org/browse/libxml2/commit/?id=ab2b9a93ff19cedde7befbf2fcc48c6e352b6cbe

Impacted products

Name
libxml2 Libxml2 2.9.2

Show details on source website

JSON

To clipboard

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CVE-2015-8241 (GCVE-0-2015-8241)

Vulnerability from cvelistv5 – Published: 2015-12-15 21:00 – Updated: 2024-08-06 08:13

Summary

The xmlNextChar function in libxml2 2.9.2 does not properly check the state, which allows context-dependent attackers to cause a denial of service (heap-based buffer over-read and application crash) or obtain sensitive information via crafted XML data.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

18 references

URL	Tags
http://rhn.redhat.com/errata/RHSA-2015-2550.html	vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-updates/2016-0…	vendor-advisoryx_refsource_SUSE
http://www.openwall.com/lists/oss-security/2015/11/17/5	mailing-listx_refsource_MLIST
http://www.debian.org/security/2015/dsa-3430	vendor-advisoryx_refsource_DEBIAN
http://rhn.redhat.com/errata/RHSA-2016-1089.html	vendor-advisoryx_refsource_REDHAT
http://www.oracle.com/technetwork/topics/security…	x_refsource_CONFIRM
http://www.securityfocus.com/bid/77621	vdb-entryx_refsource_BID
http://www.ubuntu.com/usn/USN-2834-1	vendor-advisoryx_refsource_UBUNTU
http://www.openwall.com/lists/oss-security/2015/1…	mailing-listx_refsource_MLIST
https://git.gnome.org/browse/libxml2/commit/?id=a…	x_refsource_CONFIRM
http://www.securitytracker.com/id/1034243	vdb-entryx_refsource_SECTRACK
http://rhn.redhat.com/errata/RHSA-2015-2549.html	vendor-advisoryx_refsource_REDHAT
http://marc.info/?l=bugtraq&m=145382616617563&w=2	vendor-advisoryx_refsource_HP
https://h20566.www2.hpe.com/portal/site/hpsc/publ…	x_refsource_CONFIRM
http://www.oracle.com/technetwork/topics/security…	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-updates/2015-1…	vendor-advisoryx_refsource_SUSE
https://bugzilla.gnome.org/show_bug.cgi?id=756263	x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1281936	x_refsource_CONFIRM

Date Public

2015-11-18 00:00

Show details on NVD website

JSON

To clipboard

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              "name": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172",
              "refsource": "CONFIRM",
              "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172"
            },
            {
              "name": "http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html",
              "refsource": "CONFIRM",
              "url": "http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html"
            },
            {
              "name": "openSUSE-SU-2015:2372",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html"
            },
            {
              "name": "https://bugzilla.gnome.org/show_bug.cgi?id=756263",
              "refsource": "CONFIRM",
              "url": "https://bugzilla.gnome.org/show_bug.cgi?id=756263"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1281936",
              "refsource": "CONFIRM",
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1281936"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2015-8241",
    "datePublished": "2015-12-15T21:00:00.000Z",
    "dateReserved": "2015-11-18T00:00:00.000Z",
    "dateUpdated": "2024-08-06T08:13:32.137Z",
    "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.