cnvd - cnvd-2020-35068

cnvd-2020-35068

Vulnerability from cnvd

Title: libexif数字错误漏洞

Description:

libexif是一个使用C语言编写的函数库。该产品主要用于从图形文件中读写EXIF元信息。

libexif 0.6.21版本中的exif-entry.c文件的exif_entry_get_value存在数字错误漏洞。该漏洞源于网络系统或产品未正确计算或转换所产生的数字。攻击者可利用该漏洞导致整数溢出或符号错误等。

Severity: 低

Patch Name: libexif数字错误漏洞的补丁

Patch Description:

libexif是一个使用C语言编写的函数库。该产品主要用于从图形文件中读写EXIF元信息。

libexif 0.6.21版本中的exif-entry.c文件的exif_entry_get_value存在数字错误漏洞。该漏洞源于网络系统或产品未正确计算或转换所产生的数字。攻击者可利用该漏洞导致整数溢出或符号错误等。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/libexif/libexif/pull/32/commits/4431cd0d67c2b17bf764fa9c253f11051ae8355a

Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-12767

Impacted products

Name
libexif Libexif 0.6.21

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-12767"
    }
  },
  "description": "libexif\u662f\u4e00\u4e2a\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u51fd\u6570\u5e93\u3002\u8be5\u4ea7\u54c1\u4e3b\u8981\u7528\u4e8e\u4ece\u56fe\u5f62\u6587\u4ef6\u4e2d\u8bfb\u5199EXIF\u5143\u4fe1\u606f\u3002\n\nlibexif 0.6.21\u7248\u672c\u4e2d\u7684exif-entry.c\u6587\u4ef6\u7684exif_entry_get_value\u5b58\u5728\u6570\u5b57\u9519\u8bef\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u672a\u6b63\u786e\u8ba1\u7b97\u6216\u8f6c\u6362\u6240\u4ea7\u751f\u7684\u6570\u5b57\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u6574\u6570\u6ea2\u51fa\u6216\u7b26\u53f7\u9519\u8bef\u7b49\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/libexif/libexif/pull/32/commits/4431cd0d67c2b17bf764fa9c253f11051ae8355a",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-35068",
  "openTime": "2020-06-29",
  "patchDescription": "libexif\u662f\u4e00\u4e2a\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u51fd\u6570\u5e93\u3002\u8be5\u4ea7\u54c1\u4e3b\u8981\u7528\u4e8e\u4ece\u56fe\u5f62\u6587\u4ef6\u4e2d\u8bfb\u5199EXIF\u5143\u4fe1\u606f\u3002\r\n\r\nlibexif 0.6.21\u7248\u672c\u4e2d\u7684exif-entry.c\u6587\u4ef6\u7684exif_entry_get_value\u5b58\u5728\u6570\u5b57\u9519\u8bef\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u672a\u6b63\u786e\u8ba1\u7b97\u6216\u8f6c\u6362\u6240\u4ea7\u751f\u7684\u6570\u5b57\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u6574\u6570\u6ea2\u51fa\u6216\u7b26\u53f7\u9519\u8bef\u7b49\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": "libexif\u6570\u5b57\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "libexif Libexif 0.6.21"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-12767",
  "serverity": "\u4f4e",
  "submitTime": "2020-05-11",
  "title": "libexif\u6570\u5b57\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2020-12767 (GCVE-0-2020-12767)

Vulnerability from cvelistv5

Published

2020-05-09 20:17

Modified

2024-08-04 12:04

Severity ?

CWE

Summary

exif_entry_get_value in exif-entry.c in libexif 0.6.21 has a divide-by-zero error.

References

▼	URL	Tags
	https://github.com/libexif/libexif/issues/31	x_refsource_CONFIRM
	https://lists.debian.org/debian-lts-announce/2020/05/msg00016.html	mailing-list, x_refsource_MLIST
	https://usn.ubuntu.com/4358-1/	vendor-advisory, x_refsource_UBUNTU
	http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00017.html	vendor-advisory, x_refsource_SUSE
	https://security.gentoo.org/glsa/202007-05	vendor-advisory, x_refsource_GENTOO

Impacted products

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

Show details on NVD website

JSON

To clipboard

{
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            "tags": [
              "mailing-list",
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            "url": "https://lists.debian.org/debian-lts-announce/2020/05/msg00016.html"
          },
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            "name": "USN-4358-1",
            "tags": [
              "vendor-advisory",
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            "url": "https://usn.ubuntu.com/4358-1/"
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          {
            "name": "GLSA-202007-05",
            "tags": [
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              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202007-05"
          }
        ],
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    "cna": {
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          "url": "https://lists.debian.org/debian-lts-announce/2020/05/msg00016.html"
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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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