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CVE-2011-1027

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

cgit 0.8.3.5之前版本的cgit.cgi的html.c中的convert_query_hexchar函数中存在off-by-one错误漏洞。远程攻击者可以借助由无效16进制字符之后的%字符组成的字符串，导致拒绝服务（无限循环）。

AI Predicted 5.3 Difficulty: Easy EPSS 3.75% · P90

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2011-1027

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Off-by-one error in the convert_query_hexchar function in html.c in cgit.cgi in cgit before 0.8.3.5 allows remote attackers to cause a denial of service (infinite loop) via a string composed of a % (percent) character followed by invalid hex characters, as demonstrated by a %gg sequence.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Lars_Hjemli cgit convert_query_hexchar函数无限循环拒绝服务漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
cgit 0.8.3.5之前版本的cgit.cgi的html.c中的convert_query_hexchar函数中存在off-by-one错误漏洞。远程攻击者可以借助由无效16进制字符之后的%字符组成的字符串，导致拒绝服务（无限循环）。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2011-1027

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III. Intelligence Information for CVE-2011-1027

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Vendor Advisories for CVE-2011-1027 (7)

Mailing List Discussions for CVE-2011-1027 (5)

Same Patch Batch · n/a · 2011-03-20 · 15 CVEs total

CVE-2011-0284 MIT Kerberos KDC 'do_as_req.c'双重释放内存破坏漏洞
CVE-2011-0421 PHP Zip扩展_zip_name_locate函数拒绝服务漏洞
CVE-2011-0708 PHP Exif扩展exif.c拒绝服务漏洞
CVE-2011-1024 OpenLDAP back-ldap chain.c外部程序认证绕过漏洞
CVE-2011-1025 OpenLDAP back-ndb bind.cpp访问限制绕过漏洞
CVE-2011-1081 OpenLDAP slapd modrdn.c拒绝服务漏洞
CVE-2011-1464 PHP strval函数缓冲区溢出漏洞
CVE-2011-1465 Google Chrome net/http/http_network_transaction.cc SPDY实现拒绝服务漏洞
CVE-2011-1466 PHP Calendar SdnToJulian函数整数溢出漏洞
CVE-2011-1467 PHP Intl扩展NumberFormatter::setSymbol函数拒绝服务漏洞
CVE-2011-1468 PHP OpenSSL扩展多个内存泄露漏洞
CVE-2011-1469 PHP Streams组件拒绝服务漏洞
CVE-2011-1470 PHP Zip扩展拒绝服务漏洞
CVE-2011-1471 PHP Zip扩展zip_stream.c整数符号错误漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2011-1027

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