CVE-2012-2841: Buffer Overflow
Integer underflow in the exifentrygetvalue function in exif-entry.c in the EXIF Tag Parsing Library (aka libexif) 0.6.20 might allow remote attackers to execute arbitrary code via vectors involving a crafted buffer-size parameter during the formatting of an EXIF tag, leading to a heap-based buffer overflow.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
alpine/libexifto a version that resolves this vulnerability.Fixed in 0.6.21-r0
Event History
Frequently Asked Questions
What is the severity of CVE-2012-2841?
CVE-2012-2841 is considered a critical vulnerability due to its potential to allow remote attackers to execute arbitrary code.
How do I fix CVE-2012-2841?
To fix CVE-2012-2841, you should upgrade libexif to version 0.6.21 or later, which addresses this vulnerability.
Which versions of libexif are affected by CVE-2012-2841?
CVE-2012-2841 affects libexif version 0.6.20 and earlier.
What type of vulnerability is CVE-2012-2841?
CVE-2012-2841 is classified as an integer underflow vulnerability leading to potential heap-based buffer overflow.
Can CVE-2012-2841 be exploited remotely?
Yes, CVE-2012-2841 can be exploited remotely through crafted EXIF tag formatting.