Home/CVE/Multiple off-by-one errors in the (1) MakeBigReq and (2) SetReqLen macros in include/X11/Xlibint.h in X11R6.x and libX11
CVE

CVE-2013-7439

Multiple off-by-one errors in the (1) MakeBigReq and (2) SetReqLen macros in include/X11/Xlibint.h in X11R6.x and libX11

Multiple off-by-one errors in the (1) MakeBigReq and (2) SetReqLen macros in include/X11/Xlibint.h in X11R6.x and libX11 before 1.6.0 allow remote attackers to have unspecified impact via a crafted request, which triggers a buffer overflow.

HIGH · CVSS 7.5 EPSS 0.02136
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
▤

Affected Products & Versions

4
x.org libx11all versions
canonical ubuntu linuxall versions
debian linuxall versions
x.org x11all versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v2 (legacy) · security@ubuntu.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Published to NVD16 Apr 2015 · 02:59 PM
⚑

Vendor Advisories

3
suse-csafSUSE-SU-2015:1334-1
usnUSN-2568-1
rhsaRHSA-2014:1436Moderate
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.x.org/archives/xorg-announce/2015-April/002561.htmlPatchVendor Advisory
http://seclists.org/oss-sec/2015/q2/81Third Party AdvisoryVDB Entry
http://www.debian.org/security/2015/dsa-3224Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
http://www.securityfocus.com/bid/73962Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-2568-1Third Party Advisory
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