Heap-based buffer overflow in libexif - CVE-2009-3895
Published: July 26, 2020
Vulnerability identifier: #VU31854
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2009-3895
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: libexif.sourceforge.net
Affected software:
libexif
libexif
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the exif_entry_fix function (aka the tag fixup routine) in libexif/exif-entry.c in libexif. A remote attacker can create a specially crafted imgae, trick the victim into opening it, trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2009-3895
Install update from vendor's website.
Sources
- http://bugs.debian.org/557137
- http://bugs.gentoo.org/show_bug.cgi?id=293190
- http://libexif.cvs.sourceforge.net/viewvc/libexif/libexif/NEWS?view=markup&pathrev=libexif-0_6_19-release
- http://secunia.com/advisories/37378
- http://sourceforge.net/mailarchive/message.php?msg_name=20091113072359.GA22681%40coneharvesters.com
- http://www.openwall.com/lists/oss-security/2009/11/19/2
- http://www.osvdb.org/59956
- http://www.securityfocus.com/bid/37022
- http://www.vupen.com/english/advisories/2009/3243
- https://exchange.xforce.ibmcloud.com/vulnerabilities/54275