cnvd - cnvd-2022-15949

cnvd-2022-15949

Vulnerability from cnvd

Title: libsolv缓冲区溢出漏洞

Description:

libsolv是一个用于检查软件包依赖的库。

libsolv存在缓冲区溢出漏洞，该漏洞源于src/solver.c中的resolve_dependencies函数在决策映射变量中存在两个堆溢出漏洞，攻击者可利用漏洞导致远程拒绝服务。

Severity: 中

Patch Name: libsolv缓冲区溢出漏洞的补丁

Patch Description:

libsolv是一个用于检查软件包依赖的库。

libsolv存在缓冲区溢出漏洞，该漏洞源于src/solver.c中的resolve_dependencies函数在决策映射变量中存在两个堆溢出漏洞，攻击者可利用漏洞导致远程拒绝服务。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://github.com/openSUSE/libsolv/issues/425

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-44568

Impacted products

Name
['openSUSE Libsolv 0.6.4', 'openSUSE Libsolv 0.6.5', 'openSUSE Libsolv 0.6.6', 'openSUSE Libsolv 0.6.7', 'openSUSE Libsolv 0.6.8', 'openSUSE Libsolv 0.6.9', 'openSUSE Libsolv 0.6.10', 'openSUSE Libsolv 0.6.11', 'openSUSE Libsolv 0.6.12', 'openSUSE Libsolv 0.6.13']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-44568"
    }
  },
  "description": "libsolv\u662f\u4e00\u4e2a\u7528\u4e8e\u68c0\u67e5\u8f6f\u4ef6\u5305\u4f9d\u8d56\u7684\u5e93\u3002\n\nlibsolv\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8esrc/solver.c\u4e2d\u7684resolve_dependencies\u51fd\u6570\u5728\u51b3\u7b56\u6620\u5c04\u53d8\u91cf\u4e2d\u5b58\u5728\u4e24\u4e2a\u5806\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u5bfc\u81f4\u8fdc\u7a0b\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/openSUSE/libsolv/issues/425",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-15949",
  "openTime": "2022-03-02",
  "patchDescription": "libsolv\u662f\u4e00\u4e2a\u7528\u4e8e\u68c0\u67e5\u8f6f\u4ef6\u5305\u4f9d\u8d56\u7684\u5e93\u3002\r\n\r\nlibsolv\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8esrc/solver.c\u4e2d\u7684resolve_dependencies\u51fd\u6570\u5728\u51b3\u7b56\u6620\u5c04\u53d8\u91cf\u4e2d\u5b58\u5728\u4e24\u4e2a\u5806\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u5bfc\u81f4\u8fdc\u7a0b\u62d2\u7edd\u670d\u52a1\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": "libsolv\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "openSUSE Libsolv 0.6.4",
      "openSUSE Libsolv 0.6.5",
      "openSUSE Libsolv 0.6.6",
      "openSUSE Libsolv 0.6.7",
      "openSUSE Libsolv 0.6.8",
      "openSUSE Libsolv 0.6.9",
      "openSUSE Libsolv 0.6.10",
      "openSUSE Libsolv 0.6.11",
      "openSUSE Libsolv 0.6.12",
      "openSUSE Libsolv 0.6.13"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-44568",
  "serverity": "\u4e2d",
  "submitTime": "2022-02-23",
  "title": "libsolv\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2021-44568 (GCVE-0-2021-44568)

Vulnerability from cvelistv5

Published

2022-02-21 17:38

Modified

2024-08-04 04:25

Severity ?

CWE

Summary

Two heap-overflow vulnerabilities exist in openSUSE/libsolv libsolv through 13 Dec 2020 in the decisionmap variable via the resolve_dependencies function at src/solver.c (line 1940 & line 1995), which could cause a remote Denial of Service.

References

▼	URL	Tags
	https://github.com/openSUSE/libsolv/issues/425	x_refsource_MISC
	https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1940	x_refsource_MISC
	https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1995	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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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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