Vulnerability-Lookup

CNVD-2020-73760

Vulnerability from cnvd - Published: 2020-12-24

Title

OpenJPEG缓冲区溢出漏洞（CNVD-2020-73760）

Description

OpenJPEG是一款基于C语言的开源JPEG2000编码解码器。 OpenJPEG存在缓冲区溢出漏洞，攻击者可利用该漏洞通过opj_pi_next_rlcp触发缓冲区溢出，以触发拒绝服务并可能运行代码。

Severity

高

Patch Name

OpenJPEG缓冲区溢出漏洞（CNVD-2020-73760）的补丁

Patch Description

OpenJPEG是一款基于C语言的开源JPEG2000编码解码器。 OpenJPEG存在缓冲区溢出漏洞，攻击者可利用该漏洞通过opj_pi_next_rlcp触发缓冲区溢出，以触发拒绝服务并可能运行代码。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

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/uclouvain/openjpeg/commit/8f5aff1dff510a964d3901d0fba281abec98ab63

Reference

https://vigilance.fr/vulnerability/OpenJPEG-buffer-overflow-via-opj-pi-next-rlcp-34191

Impacted products

Name
OpenJPEG OpenJPEG null

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-27845",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-27845"
    }
  },
  "description": "OpenJPEG\u662f\u4e00\u6b3e\u57fa\u4e8eC\u8bed\u8a00\u7684\u5f00\u6e90JPEG2000\u7f16\u7801\u89e3\u7801\u5668\u3002\n\nOpenJPEG\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7opj_pi_next_rlcp\u89e6\u53d1\u7f13\u51b2\u533a\u6ea2\u51fa\uff0c\u4ee5\u89e6\u53d1\u62d2\u7edd\u670d\u52a1\u5e76\u53ef\u80fd\u8fd0\u884c\u4ee3\u7801\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/uclouvain/openjpeg/commit/8f5aff1dff510a964d3901d0fba281abec98ab63",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-73760",
  "openTime": "2020-12-24",
  "patchDescription": "OpenJPEG\u662f\u4e00\u6b3e\u57fa\u4e8eC\u8bed\u8a00\u7684\u5f00\u6e90JPEG2000\u7f16\u7801\u89e3\u7801\u5668\u3002\r\n\r\nOpenJPEG\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7opj_pi_next_rlcp\u89e6\u53d1\u7f13\u51b2\u533a\u6ea2\u51fa\uff0c\u4ee5\u89e6\u53d1\u62d2\u7edd\u670d\u52a1\u5e76\u53ef\u80fd\u8fd0\u884c\u4ee3\u7801\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": "OpenJPEG\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-73760\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "OpenJPEG OpenJPEG null"
  },
  "referenceLink": "https://vigilance.fr/vulnerability/OpenJPEG-buffer-overflow-via-opj-pi-next-rlcp-34191",
  "serverity": "\u9ad8",
  "submitTime": "2020-12-23",
  "title": "OpenJPEG\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-73760\uff09"
}

CVE-2020-27845 (GCVE-0-2020-27845)

Vulnerability from cvelistv5 – Published: 2021-01-05 17:44 – Updated: 2024-08-04 16:25

Summary

There's a flaw in src/lib/openjp2/pi.c of openjpeg in versions prior to 2.4.0. If an attacker is able to provide untrusted input to openjpeg's conversion/encoding functionality, they could cause an out-of-bounds read. The highest impact of this flaw is to application availability.

Severity

No CVSS data available.

CWE

CWE-125

Assigner

redhat redhat root

References

7 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1907523	x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://security.gentoo.org/glsa/202101-29	vendor-advisoryx_refsource_GENTOO
https://lists.debian.org/debian-lts-announce/2021…	mailing-listx_refsource_MLIST
https://www.debian.org/security/2021/dsa-4882	vendor-advisoryx_refsource_DEBIAN
https://www.oracle.com/security-alerts/cpuApr2021.html	x_refsource_MISC
https://www.oracle.com//security-alerts/cpujul2021.html	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	openjpeg	Affected: openjpeg 2.4.0

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.