CVE-2018-12915

In libpbc.a in PBC through 2017-03-02, there is a buffer over-read in calc_hash in map.c

published June 27, 2018

CVSS
โ€”
EPSS
1%
Percentile
73.5
In the wild
Unconfirmed
What it is

โš ๏ธ There's a sneaky buffer over-read hiding in PBC that's just waiting for a chance to strike! ๐Ÿ” Think of this vulnerability like a chef who never double-checks their ingredient list โ€” they might grab the wrong spice, leading to a potentially disastrous dish. In the same way, this buffer over-read can lead to unexpected data being read, which could skew results or even expose sensitive information. While not currently exploited, this buffer over-read could allow attackers to access data beyond the intended buffer space, leading to unpredictable behavior or leaks of sensitive information. It's not a full-blown disaster yet, but it's a warning sign to keep an eye on!

Put simply

Think of this vulnerability like a chef who never double-checks their ingredient list โ€” they might grab the wrong spice, leading to a potentially disastrous dish. In the same way, this buffer over-read can lead to unexpected data being read, which could skew results or even expose sensitive information. This vulnerability in libpbc.a arises from improper handling of buffer sizes in the calc_hash function within map.c, leading to a potential read of uninitialized memory.

What to do

While not currently exploited, this buffer over-read could allow attackers to access data beyond the intended buffer space, leading to unpredictable behavior or leaks of sensitive information. It's not a full-blown disaster yet, but it's a warning sign to keep an eye on! To stay safe, consider reviewing your use of PBC, particularly if you're running versions through March 2, 2017. Applying any available updates or patches, if they exist, is highly recommended. It's always a good practice to audit your code for such potential over-read issues! You've got this! Stay ahead of the game with proactive checks, and you'll have everything locked down in no time! ๐Ÿ›ก๏ธ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01466 ยท 73.5th percentile
Published
2018-06-27T18:00Z
EPSS history
Timeline
  • 27 JUN 18:00Z
    In libpbc.a in PBC through 2017-03-02, there is a buffer over-read in calc_hash in map.c
    cvelistv5