Vulnerability-Lookup

CNVD-2019-00647

Vulnerability from cnvd - Published: 2019-01-09

Title

libsixel空指针解引用漏洞

Description

libsixel是一个为DEC SIXEL图形和其他转换器程序提供编码/解码实现的软件包。 libsixel1.8.2版本中的‘sixel_helper_set_additional_messag’函数（status.c文件）存在空指针解引用漏洞，攻击者可利用该漏洞造成拒绝服务（空指针逆向引用）。

Severity

中

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://github.com/saitoha/libsixel

Reference

https://nvd.nist.gov/vuln/detail/CVE-2018-19757

Impacted products

Name
libsixel libsixel 1.8.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-19757"
    }
  },
  "description": "libsixel\u662f\u4e00\u4e2a\u4e3aDEC SIXEL\u56fe\u5f62\u548c\u5176\u4ed6\u8f6c\u6362\u5668\u7a0b\u5e8f\u63d0\u4f9b\u7f16\u7801/\u89e3\u7801\u5b9e\u73b0\u7684\u8f6f\u4ef6\u5305\u3002\n\nlibsixel1.8.2\u7248\u672c\u4e2d\u7684\u2018sixel_helper_set_additional_messag\u2019\u51fd\u6570\uff08status.c\u6587\u4ef6\uff09\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u7a7a\u6307\u9488\u9006\u5411\u5f15\u7528\uff09\u3002",
  "discovererName": "shuitao gan",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://github.com/saitoha/libsixel",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-00647",
  "openTime": "2019-01-09",
  "products": {
    "product": "libsixel libsixel 1.8.2"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-19757",
  "serverity": "\u4e2d",
  "submitTime": "2018-11-30",
  "title": "libsixel\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e"
}

CVE-2018-19757 (GCVE-0-2018-19757)

Vulnerability from cvelistv5 – Published: 2018-11-30 03:00 – Updated: 2024-09-17 03:13

Summary

There is a NULL pointer dereference at function sixel_helper_set_additional_message (status.c) in libsixel 1.8.2 that will cause a denial of service.

Severity

No CVSS data available.

CWE

Assigner

mitre

References

1 reference

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1649197	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1649197"
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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.

Action not permitted

CNVD-2019-00647

CVE-2018-19757 (GCVE-0-2018-19757)

Tags

Sightings

Nomenclature