Vulnerability-Lookup

CNVD-2021-01284

Vulnerability from cnvd - Published: 2021-01-07

Title

GNU Binutils未初始化内存使用漏洞

Description

GNU Binutils是一组用于创建和管理二进制程序、对象文件、库、配置文件数据及程序集源代码的编程工具。 GNU Binutils 2.34之前版本中的opcodes/tic4x-dis.c中的tic4x_print_cond存在未初始化内存使用漏洞。攻击者可通过特制输入文件利用该漏洞影响应用程序可用性和数据机密性。

Severity

中

Patch Name

GNU Binutils未初始化内存使用漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=2c5b6e1a1c406cbe06e2d6f77861764ebd01b9ce

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-35494

Impacted products

Name
GNU Binutils <2.34

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-35494",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-35494"
    }
  },
  "description": "GNU Binutils\u662f\u4e00\u7ec4\u7528\u4e8e\u521b\u5efa\u548c\u7ba1\u7406\u4e8c\u8fdb\u5236\u7a0b\u5e8f\u3001\u5bf9\u8c61\u6587\u4ef6\u3001\u5e93\u3001\u914d\u7f6e\u6587\u4ef6\u6570\u636e\u53ca\u7a0b\u5e8f\u96c6\u6e90\u4ee3\u7801\u7684\u7f16\u7a0b\u5de5\u5177\u3002\n\nGNU Binutils 2.34\u4e4b\u524d\u7248\u672c\u4e2d\u7684opcodes/tic4x-dis.c\u4e2d\u7684tic4x_print_cond\u5b58\u5728\u672a\u521d\u59cb\u5316\u5185\u5b58\u4f7f\u7528\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236\u8f93\u5165\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u5f71\u54cd\u5e94\u7528\u7a0b\u5e8f\u53ef\u7528\u6027\u548c\u6570\u636e\u673a\u5bc6\u6027\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://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=2c5b6e1a1c406cbe06e2d6f77861764ebd01b9ce",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-01284",
  "openTime": "2021-01-07",
  "patchDescription": "GNU Binutils\u662f\u4e00\u7ec4\u7528\u4e8e\u521b\u5efa\u548c\u7ba1\u7406\u4e8c\u8fdb\u5236\u7a0b\u5e8f\u3001\u5bf9\u8c61\u6587\u4ef6\u3001\u5e93\u3001\u914d\u7f6e\u6587\u4ef6\u6570\u636e\u53ca\u7a0b\u5e8f\u96c6\u6e90\u4ee3\u7801\u7684\u7f16\u7a0b\u5de5\u5177\u3002\r\n\r\nGNU Binutils 2.34\u4e4b\u524d\u7248\u672c\u4e2d\u7684opcodes/tic4x-dis.c\u4e2d\u7684tic4x_print_cond\u5b58\u5728\u672a\u521d\u59cb\u5316\u5185\u5b58\u4f7f\u7528\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236\u8f93\u5165\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u5f71\u54cd\u5e94\u7528\u7a0b\u5e8f\u53ef\u7528\u6027\u548c\u6570\u636e\u673a\u5bc6\u6027\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": "GNU Binutils\u672a\u521d\u59cb\u5316\u5185\u5b58\u4f7f\u7528\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "GNU Binutils \u003c2.34"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-35494",
  "serverity": "\u4e2d",
  "submitTime": "2021-01-05",
  "title": "GNU Binutils\u672a\u521d\u59cb\u5316\u5185\u5b58\u4f7f\u7528\u6f0f\u6d1e"
}

CVE-2020-35494 (GCVE-0-2020-35494)

Vulnerability from cvelistv5 – Published: 2021-01-04 14:23 – Updated: 2024-08-04 17:02

Summary

There's a flaw in binutils /opcodes/tic4x-dis.c. An attacker who is able to submit a crafted input file to be processed by binutils could cause usage of uninitialized memory. The highest threat is to application availability with a lower threat to data confidentiality. This flaw affects binutils versions prior to 2.34.

Severity

No CVSS data available.

CWE

CWE-908

Assigner

redhat redhat root

References

4 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1911439	x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://security.netapp.com/advisory/ntap-2021021…	x_refsource_CONFIRM
https://security.gentoo.org/glsa/202107-24	vendor-advisoryx_refsource_GENTOO

Impacted products

1 product

Vendor	Product	Version
n/a	binutils	Affected: binutils 2.34

Show details on NVD website

JSON

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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.

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.
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CNVD-2021-01284

CVE-2020-35494 (GCVE-0-2020-35494)

Tags

Sightings

Nomenclature

Related by attack behaviour