Vulnerability-Lookup

CNVD-2019-08075

Vulnerability from cnvd - Published: 2019-03-25

Title

libcaca浮点异常漏洞

Description

libcaca是一个将图像转换为彩色ASCII art的软件库。 libcaca 0.99.beta19中的caca/dither.c中的caca_dither_bitmap函数存在浮点异常漏洞，攻击者可利用该漏洞导致拒绝服务。

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： http://caca.zoy.org/wiki/libcaca

Reference

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20544

Impacted products

Name
libcaca libcaca 0.99.beta19

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-20544"
    }
  },
  "description": "libcaca\u662f\u4e00\u4e2a\u5c06\u56fe\u50cf\u8f6c\u6362\u4e3a\u5f69\u8272ASCII art\u7684\u8f6f\u4ef6\u5e93\u3002\n\nlibcaca 0.99.beta19\u4e2d\u7684caca/dither.c\u4e2d\u7684caca_dither_bitmap\u51fd\u6570\u5b58\u5728\u6d6e\u70b9\u5f02\u5e38\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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\nhttp://caca.zoy.org/wiki/libcaca",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-08075",
  "openTime": "2019-03-25",
  "products": {
    "product": "libcaca libcaca 0.99.beta19"
  },
  "referenceLink": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20544",
  "serverity": "\u4e2d",
  "submitTime": "2018-12-28",
  "title": "libcaca\u6d6e\u70b9\u5f02\u5e38\u6f0f\u6d1e"
}

CVE-2018-20544 (GCVE-0-2018-20544)

Vulnerability from cvelistv5 – Published: 2018-12-28 03:00 – Updated: 2024-08-05 12:05

Summary

There is floating point exception at caca/dither.c (function caca_dither_bitmap) in libcaca 0.99.beta19.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

5 references

URL	Tags
https://usn.ubuntu.com/3860-2/	vendor-advisoryx_refsource_UBUNTU
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
https://bugzilla.redhat.com/show_bug.cgi?id=1652627	x_refsource_MISC
https://usn.ubuntu.com/3860-1/	vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2018-12-27 00:00

Show details on NVD website

JSON

To clipboard

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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.