Vulnerability-Lookup

CNVD-2016-01926

Vulnerability from cnvd - Published: 2016-03-30

Title

PCRE pcre_jit_compile.c拒绝服务漏洞

Description

PCRE是一个Perl库，包括 perl 兼容的正则表达式库。 PCRE 8.35版pcre_jit_compile.c未能正确使用table jumps优化嵌套替代项。远程攻击者可利用构造的字符串，造成拒绝服务（栈内存破坏）。

Severity

中

Patch Name

PCRE pcre_jit_compile.c拒绝服务漏洞的补丁

Patch Description

PCRE是一个Perl库，包括 perl 兼容的正则表达式库。 PCRE 8.35版本，pcre_jit_compile.c未能正确使用table jumps优化嵌套替代项。远程攻击者可利用构造的字符串，造成拒绝服务（栈内存破坏）。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

目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： https://redmine.openinfosecfoundation.org/issues/1693 http://vcs.pcre.org/pcre?view=revision&revision=1475 https://bugs.debian.org/819050

Reference

https://redmine.openinfosecfoundation.org/issues/1693 http://vcs.pcre.org/pcre?view=revision&revision=1475 https://bugs.debian.org/819050 https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-1650

Impacted products

Name
PCRE PCRE 8.35

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2014-9769"
    }
  },
  "description": "PCRE\u662f\u4e00\u4e2aPerl\u5e93\uff0c\u5305\u62ec perl \u517c\u5bb9\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u5e93\u3002\r\n\r\nPCRE 8.35\u7248pcre_jit_compile.c\u672a\u80fd\u6b63\u786e\u4f7f\u7528table jumps\u4f18\u5316\u5d4c\u5957\u66ff\u4ee3\u9879\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u6784\u9020\u7684\u5b57\u7b26\u4e32\uff0c\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u6808\u5185\u5b58\u7834\u574f\uff09\u3002",
  "discovererName": "Peter Manev",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d\uff1a\r\nhttps://redmine.openinfosecfoundation.org/issues/1693\r\nhttp://vcs.pcre.org/pcre?view=revision\u0026revision=1475\r\nhttps://bugs.debian.org/819050",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-01926",
  "openTime": "2016-03-30",
  "patchDescription": "PCRE\u662f\u4e00\u4e2aPerl\u5e93\uff0c\u5305\u62ec perl \u517c\u5bb9\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u5e93\u3002\r\n\r\nPCRE 8.35\u7248\u672c\uff0cpcre_jit_compile.c\u672a\u80fd\u6b63\u786e\u4f7f\u7528table jumps\u4f18\u5316\u5d4c\u5957\u66ff\u4ee3\u9879\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u6784\u9020\u7684\u5b57\u7b26\u4e32\uff0c\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u6808\u5185\u5b58\u7834\u574f\uff09\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": "PCRE pcre_jit_compile.c\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "PCRE PCRE 8.35"
  },
  "referenceLink": "https://redmine.openinfosecfoundation.org/issues/1693\r\nhttp://vcs.pcre.org/pcre?view=revision\u0026revision=1475\r\nhttps://bugs.debian.org/819050\r\nhttps://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-1650",
  "serverity": "\u4e2d",
  "submitTime": "2016-03-29",
  "title": "PCRE pcre_jit_compile.c\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2014-9769 (GCVE-0-2014-9769)

Vulnerability from cvelistv5 – Published: 2016-03-28 16:00 – Updated: 2024-08-06 13:55

Summary

pcre_jit_compile.c in PCRE 8.35 does not properly use table jumps to optimize nested alternatives, which allows remote attackers to cause a denial of service (stack memory corruption) or possibly have unspecified other impact via a crafted string, as demonstrated by packets encountered by Suricata during use of a regular expression in an Emerging Threats Open ruleset.

Severity

No CVSS data available.

CWE

Assigner

debian mitre root

References

6 references

URL	Tags
http://vcs.pcre.org/pcre?view=revision&revision=1475	x_refsource_CONFIRM
http://www.securityfocus.com/bid/85570	vdb-entryx_refsource_BID
https://redmine.openinfosecfoundation.org/issues/1693	x_refsource_CONFIRM
http://www.securitytracker.com/id/1035424	vdb-entryx_refsource_SECTRACK
http://www.openwall.com/lists/oss-security/2016/03/26/1	mailing-listx_refsource_MLIST
https://bugs.debian.org/819050	x_refsource_CONFIRM

Date Public

2014-04-25 00:00

Show details on NVD website

JSON

To clipboard

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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.

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.