CVE-2016-1925

Integer underflow in header.c in lha allows remote attackers to have unspecified impact via a large header size value for the (1) level0 or (2) level1 header…

published January 23, 2017

CVSS
—
EPSS
3%
Percentile
87.2
In the wild
Unconfirmed
What it is

⚠️ An integer underflow in lha's header processing can trigger a surprising buffer overflow, giving would-be attackers a sneaky foothold! 🔥 Think of it like a waiter at a busy restaurant who misreads a large order and accidentally serves too much food all at once — chaos for the kitchen! The underflow here causes the system to overlook a crucial size limit, leading to potential overflow issues. If exploited, this vulnerability could let attackers manipulate memory, potentially allowing them to execute arbitrary code or crash the application. While the specifics of the impact are unspecified, the risk of unexpected behavior should not be ignored!

Put simply

Think of it like a waiter at a busy restaurant who misreads a large order and accidentally serves too much food all at once — chaos for the kitchen! The underflow here causes the system to overlook a crucial size limit, leading to potential overflow issues. The integer underflow in header.c affects lha, enabling a buffer overflow through large header sizes for either level0 or level1 headers. This flaw allows the system to process an incorrectly calculated header size, leading to memory issues.

What to do

If exploited, this vulnerability could let attackers manipulate memory, potentially allowing them to execute arbitrary code or crash the application. While the specifics of the impact are unspecified, the risk of unexpected behavior should not be ignored! Developers should review and patch lha if affected, ensuring to validate header sizes to prevent further exploitation. Keeping dependencies updated and monitoring for any patches related to lha is essential! You've got this! Address this vulnerability, and keep your systems secure! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02985 · 87.2th percentile
Published
2017-01-23T21:00Z
EPSS history
Timeline
  • 23 JAN 21:00Z
    Integer underflow in header.c in lha allows remote attackers to have unspecified impact via a large header size value for the (1) level0 or (2) level1 header…
    cvelistv5