cnvd - cnvd-2019-40948

cnvd-2019-40948

Vulnerability from cnvd

Title: libsolv空指针解引用漏洞（CNVD-2019-40948）

Description:

Libsolv是一个免费的包管理库。

libsolv 0.7.2及更早版本中的libsolvext.a中的ext/testcase.c中的testcase_str2dep_complex函数存在空指针解引用漏洞。攻击者可利用该漏洞导致拒绝服务。

Severity: 中

Patch Name: libsolv空指针解引用漏洞（CNVD-2019-40948）的补丁

Patch Description:

Libsolv是一个免费的包管理库。

libsolv 0.7.2及更早版本中的libsolvext.a中的ext/testcase.c中的testcase_str2dep_complex函数存在空指针解引用漏洞。攻击者可利用该漏洞导致拒绝服务。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:

厂商已发布漏洞修复程序，请及时关注更新： https://github.com/openSUSE/libsolv/pull/291

Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20533

Impacted products

Name
openSUSE Libsolv <=0.7.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-20533"
    }
  },
  "description": "Libsolv\u662f\u4e00\u4e2a\u514d\u8d39\u7684\u5305\u7ba1\u7406\u5e93\u3002\n\nlibsolv 0.7.2\u53ca\u66f4\u65e9\u7248\u672c\u4e2d\u7684libsolvext.a\u4e2d\u7684ext/testcase.c\u4e2d\u7684testcase_str2dep_complex\u51fd\u6570\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/openSUSE/libsolv/pull/291",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-40948",
  "openTime": "2019-11-15",
  "patchDescription": "Libsolv\u662f\u4e00\u4e2a\u514d\u8d39\u7684\u5305\u7ba1\u7406\u5e93\u3002\r\n\r\nlibsolv 0.7.2\u53ca\u66f4\u65e9\u7248\u672c\u4e2d\u7684libsolvext.a\u4e2d\u7684ext/testcase.c\u4e2d\u7684testcase_str2dep_complex\u51fd\u6570\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\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\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\uff08CNVD-2019-40948\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "openSUSE Libsolv \u003c=0.7.2"
  },
  "referenceLink": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20533",
  "serverity": "\u4e2d",
  "submitTime": "2018-12-28",
  "title": "libsolv\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\uff08CNVD-2019-40948\uff09"
}

CVE-2018-20533 (GCVE-0-2018-20533)

Vulnerability from cvelistv5

Published

2018-12-28 03:00

Modified

2024-08-05 12:05

Severity ?

CWE

Summary

There is a NULL pointer dereference at ext/testcase.c (function testcase_str2dep_complex) in libsolvext.a in libsolv through 0.7.2 that will cause a denial of service.

References

▼	URL	Tags
	https://bugzilla.redhat.com/show_bug.cgi?id=1652599	x_refsource_MISC
	https://github.com/openSUSE/libsolv/pull/291	x_refsource_MISC
	https://usn.ubuntu.com/3916-1/	vendor-advisory, x_refsource_UBUNTU
	https://access.redhat.com/errata/RHSA-2019:2290	vendor-advisory, x_refsource_REDHAT
	http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00057.html	vendor-advisory, x_refsource_SUSE

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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