cnvd - cnvd-2018-07057

cnvd-2018-07057

Vulnerability from cnvd

Title: ClamAV越界堆内存读取漏洞

Description:

Clam AntiVirus（ClamAV）是一个类UNIX系统上使用的反病毒软件包。主要应用于邮件服务器，采用多线程后台操作，可以自动升级病毒库。

ClamAV 0.99.3中的XAR解析器中的xar_hash_check()函数存在越界堆内存读取漏洞。攻击者可诱使受害者扫描特制XAR文件利用该漏洞导致内存泄露。

Severity: 中

Patch Name: ClamAV越界堆内存读取漏洞的补丁

Patch Description:

Clam AntiVirus（ClamAV）是一个类UNIX系统上使用的反病毒软件包。主要应用于邮件服务器，采用多线程后台操作，可以自动升级病毒库。

ClamAV 0.99.3中的XAR解析器中的xar_hash_check()函数存在越界堆内存读取漏洞。攻击者可诱使受害者扫描特制XAR文件利用该漏洞导致内存泄露。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:

厂商已发布漏洞修复程序，请及时关注更新： https://github.com/Cisco-Talos/clamav-devel/commit/d96a6b8bcc7439fa7e3876207aa0a8e79c8451b6

Reference: https://nvd.nist.gov/vuln/detail/CVE-2018-1000085

Impacted products

Name
Clam Anti-Virus ClamAV 0.99.3

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-1000085"
    }
  },
  "description": "Clam AntiVirus\uff08ClamAV\uff09\u662f\u4e00\u4e2a\u7c7bUNIX\u7cfb\u7edf\u4e0a\u4f7f\u7528\u7684\u53cd\u75c5\u6bd2\u8f6f\u4ef6\u5305\u3002\u4e3b\u8981\u5e94\u7528\u4e8e\u90ae\u4ef6\u670d\u52a1\u5668\uff0c\u91c7\u7528\u591a\u7ebf\u7a0b\u540e\u53f0\u64cd\u4f5c\uff0c\u53ef\u4ee5\u81ea\u52a8\u5347\u7ea7\u75c5\u6bd2\u5e93\u3002\r\n\r\nClamAV 0.99.3\u4e2d\u7684XAR\u89e3\u6790\u5668\u4e2d\u7684xar_hash_check()\u51fd\u6570\u5b58\u5728\u8d8a\u754c\u5806\u5185\u5b58\u8bfb\u53d6\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u8bf1\u4f7f\u53d7\u5bb3\u8005\u626b\u63cf\u7279\u5236XAR\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5185\u5b58\u6cc4\u9732\u3002",
  "discovererName": "unknown",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/Cisco-Talos/clamav-devel/commit/d96a6b8bcc7439fa7e3876207aa0a8e79c8451b6",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-07057",
  "openTime": "2018-04-04",
  "patchDescription": "Clam AntiVirus\uff08ClamAV\uff09\u662f\u4e00\u4e2a\u7c7bUNIX\u7cfb\u7edf\u4e0a\u4f7f\u7528\u7684\u53cd\u75c5\u6bd2\u8f6f\u4ef6\u5305\u3002\u4e3b\u8981\u5e94\u7528\u4e8e\u90ae\u4ef6\u670d\u52a1\u5668\uff0c\u91c7\u7528\u591a\u7ebf\u7a0b\u540e\u53f0\u64cd\u4f5c\uff0c\u53ef\u4ee5\u81ea\u52a8\u5347\u7ea7\u75c5\u6bd2\u5e93\u3002\r\n\r\nClamAV 0.99.3\u4e2d\u7684XAR\u89e3\u6790\u5668\u4e2d\u7684xar_hash_check()\u51fd\u6570\u5b58\u5728\u8d8a\u754c\u5806\u5185\u5b58\u8bfb\u53d6\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u8bf1\u4f7f\u53d7\u5bb3\u8005\u626b\u63cf\u7279\u5236XAR\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5185\u5b58\u6cc4\u9732\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": "ClamAV\u8d8a\u754c\u5806\u5185\u5b58\u8bfb\u53d6\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Clam Anti-Virus ClamAV 0.99.3"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-1000085",
  "serverity": "\u4e2d",
  "submitTime": "2018-03-14",
  "title": "ClamAV\u8d8a\u754c\u5806\u5185\u5b58\u8bfb\u53d6\u6f0f\u6d1e"
}

CVE-2018-1000085 (GCVE-0-2018-1000085)

Vulnerability from cvelistv5

Published

2018-03-13 15:00

Modified

2024-08-05 12:33

Severity ?

CWE

Summary

ClamAV version version 0.99.3 contains a Out of bounds heap memory read vulnerability in XAR parser, function xar_hash_check() that can result in Leaking of memory, may help in developing exploit chains.. This attack appear to be exploitable via The victim must scan a crafted XAR file. This vulnerability appears to have been fixed in after commit d96a6b8bcc7439fa7e3876207aa0a8e79c8451b6.

References

▼	URL	Tags
	https://usn.ubuntu.com/3592-2/	vendor-advisory, x_refsource_UBUNTU
	https://github.com/Cisco-Talos/clamav-devel/commit/d96a6b8bcc7439fa7e3876207aa0a8e79c8451b6	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2017/09/29/4	mailing-list, x_refsource_MLIST
	https://lists.debian.org/debian-lts-announce/2018/03/msg00011.html	mailing-list, x_refsource_MLIST
	https://usn.ubuntu.com/3592-1/	vendor-advisory, x_refsource_UBUNTU
	https://security.gentoo.org/glsa/201804-16	vendor-advisory, x_refsource_GENTOO

Impacted products

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

Show details on NVD website

JSON

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{
  "containers": {
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          {
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            "tags": [
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          },
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            "tags": [
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              "x_refsource_GENTOO",
              "x_transferred"
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          }
        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
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          "versions": [
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      "providerMetadata": {
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          "url": "https://lists.debian.org/debian-lts-announce/2018/03/msg00011.html"
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        }
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      "x_legacyV4Record": {
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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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