cnvd - cnvd-2021-39677

cnvd-2021-39677

Vulnerability from cnvd

Title: libcaca缓冲区溢出漏洞（CNVD-2021-39677）

Description:

libcaca是开源的一个软件库。可将图像转换为彩色ASCII艺术品。

libcaca存在安全漏洞，该漏洞源于函数export troff中的export.c的缓冲区溢出可能会导致内存损坏和其他潜在后果。目前没有详细漏洞细节提供。

Severity: 高

Patch Name: libcaca缓冲区溢出漏洞（CNVD-2021-39677）的补丁

Patch Description:

libcaca是开源的一个软件库。可将图像转换为彩色ASCII艺术品。

libcaca存在安全漏洞，该漏洞源于函数export troff中的export.c的缓冲区溢出可能会导致内存损坏和其他潜在后果。目前没有详细漏洞细节提供。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/cacalabs/libcaca/issues/54

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-30499

Impacted products

Name
libcaca libcaca

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-30499",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-30499"
    }
  },
  "description": "libcaca\u662f\u5f00\u6e90\u7684\u4e00\u4e2a\u8f6f\u4ef6\u5e93\u3002\u53ef\u5c06\u56fe\u50cf\u8f6c\u6362\u4e3a\u5f69\u8272ASCII\u827a\u672f\u54c1\u3002 \n\nlibcaca\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u51fd\u6570export troff\u4e2d\u7684export.c\u7684\u7f13\u51b2\u533a\u6ea2\u51fa\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5185\u5b58\u635f\u574f\u548c\u5176\u4ed6\u6f5c\u5728\u540e\u679c\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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/cacalabs/libcaca/issues/54",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-39677",
  "openTime": "2021-06-05",
  "patchDescription": "libcaca\u662f\u5f00\u6e90\u7684\u4e00\u4e2a\u8f6f\u4ef6\u5e93\u3002\u53ef\u5c06\u56fe\u50cf\u8f6c\u6362\u4e3a\u5f69\u8272ASCII\u827a\u672f\u54c1\u3002 \r\n\r\nlibcaca\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u51fd\u6570export troff\u4e2d\u7684export.c\u7684\u7f13\u51b2\u533a\u6ea2\u51fa\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5185\u5b58\u635f\u574f\u548c\u5176\u4ed6\u6f5c\u5728\u540e\u679c\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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": "libcaca\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-39677\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "libcaca libcaca"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-30499",
  "serverity": "\u9ad8",
  "submitTime": "2021-06-03",
  "title": "libcaca\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-39677\uff09"
}

CVE-2021-30499 (GCVE-0-2021-30499)

Vulnerability from cvelistv5

Published

2021-05-26 23:50

Modified

2025-02-13 16:28

Severity ?

CWE

CWE-119

Summary

A flaw was found in libcaca. A buffer overflow of export.c in function export_troff might lead to memory corruption and other potential consequences.

References

▼	URL	Tags
	https://bugzilla.redhat.com/show_bug.cgi?id=1948679	x_refsource_MISC
	https://github.com/cacalabs/libcaca/issues/54	x_refsource_MISC
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6WFGYICNTMNDNMDDUV4G2RYFB5HNJCOV/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PC7EGOEQ5C4OD66ZUJJIIYEXBTZOCMZX/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZSBCRN6EGQJUVOSD4OEEQ6XORHEM2CUL/	vendor-advisory, x_refsource_FEDORA
	https://lists.debian.org/debian-lts-announce/2024/04/msg00004.html

Impacted products

	Vendor	Product	Version
	n/a	libcaca	Version: master

Show details on NVD website

JSON

To clipboard

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            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZSBCRN6EGQJUVOSD4OEEQ6XORHEM2CUL/"
          },
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      }
    ],
    "cna": {
      "affected": [
        {
          "product": "libcaca",
          "vendor": "n/a",
          "versions": [
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    "datePublished": "2021-05-26T23:50:10.000Z",
    "dateReserved": "2021-04-12T00:00:00.000Z",
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    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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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